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Definitions

greatest

ADJECTIVE
admirable
Synonyms
STRONGEST
attractive commendable excellent exquisite great laudable praiseworthy unreal valuable wonderful
WEAK
A-1 A-OK ace best ever cat's pajamas choice cool copacetic crackerjack deserving dream estimable fine good hunky-dory keen meritable meritorious neat out of sight out of this world peachy rare solid super super-duper superior wicked worthy zero cool
Antonyms
STRONGEST
bad imperfect inferior unimportant unworthy
WEAK
contemptible despicable detestable hateful loathsome repugnant repulsive shameful
ADJECTIVE
all
Synonyms
WEAK
complete entire full gross outright perfect total utter
Antonyms
WEAK
incompletely none zero
ADJECTIVE
arch
Synonyms
STRONG
accomplished champion chief consummate expert finished first head leading main major master premier primary top
WEAK
foremost highest preeminent
Antonyms
STRONG
amateur auxiliary incomplete inessential inexpert inferior insignificant last least lower minor secondary subordinate unfinished unimportant unnecessary worst
ADJECTIVE
best
Synonyms
STRONGEST
finest first first-rate leading outstanding perfect terrific
STRONG
10 ace baddest boss capital champion chief cool culminating nonpareil optimum premium prime primo principal super superlative tops
WEAK
A-1 beyond compare choicest first-class foremost highest incomparable inimitable matchless number 1 out-of-sight paramount peerless preeminent sans pareil second to none supreme transcendent unequaled unparalleled unrivaled unsurpassed
Antonyms
STRONGEST
inferior poor
STRONG
least minor poorest secondary unimportant worst
WEAK
incorrect not right
ADJECTIVE
best
Synonyms
WEAK
biggest bulkiest largest
Antonyms
WEAK
fewest least worst
ADJECTIVE
cardinal
Synonyms
STRONGEST
overriding
STRONG
basic central chief essential first fundamental leading main primary prime principal ruling
WEAK
basal bottom-line constitutive foremost highest indispensable overruling paramount pivotal preeminent vital
Antonyms
STRONG
additional auxiliary extra inessential inferior last least minor nonessential outside peripheral secondary subordinate trivial unimportant unnecessary
WEAK
insignificant negligible
ADJECTIVE
champion
Synonyms
STRONGEST
super unbeaten undefeated
STRONG
boss capital chief choice cool dandy distinguished first head premier prime principal superior tops
WEAK
blue-ribbon illustrious out of sight out of this world outstanding prize-winning splendid tiptop top-drawer top-notch topflight world-class
Antonyms
STRONG
auxiliary bad extra inferior least lower minor poor secondary trivial unimportant
WEAK
poorest worst
ADJECTIVE
elite
Synonyms
STRONGEST
exclusive silk-stocking
STRONG
choice cool crack elect noble pick super top
WEAK
aristocratic gilt-edged select selected tiptop top-drawer top-notch topflight upper-class world-class
Antonyms
STRONG
bad inferior poor second-rate
WEAK
common low-class lower lower-class ordinary worst
ADJECTIVE
fabulous
Synonyms
STRONGEST
astonishing astounding awesome breathtaking fantastic incredible marvelous outrageous phenomenal remarkable spectacular superb terrific unbelievable
WEAK
10 A-1 A-OK aces best cool doozie extravagant fab fictitious first-class groovy immense inconceivable legendary mind-blowing out-of-sight out-of-this-world peachy primo prodigious rad striking stupendous super top drawer tops unreal wicked
Antonyms
STRONGEST
bad believable credible expected inferior normal ordinary plain plausible poor regular unamazing usual
WEAK
common simple
ADJECTIVE
first
Synonyms
STRONG
arch champion chief dominant foremost head leading main premier primary prime primo principal ranking ruling sovereign
WEAK
A number one advanced eminent first-class first-string head of the line number one outstanding paramount predominant preeminent supreme top of the list top-flight
Antonyms
STRONG
auxiliary inessential inferior least minor secondary subordinate trivial unimportant unnecessary
ADJECTIVE
high-grade
Synonyms
STRONGEST
state-of-the-art top-of-the-line
WEAK
capital cardinal chief crackerjack dominant excellent fab first first-class heavy highest hot leading main nice number one paramount primo quality select stellar superior top tough world
ADJECTIVE
largest
Synonyms
STRONG
biggest larger
WEAK
better bulkiest greater most
ADJECTIVE
leading
Synonyms
STRONGEST
best dominant famous main noted outstanding popular preeminent principal prominent top well-known
STRONG
arch champion dominating first governing inaugural initial premier primary ruling
WEAK
foremost headmost highest notorious number one stellar
Antonyms
STRONGEST
auxiliary extra inconspicuous inferior insignificant least low minor obscure ordinary secondary subordinate unimportant unknown unremarkable
STRONG
final last
WEAK
supplementary
ADJECTIVE
loftiest
Synonyms
WEAK
apical capital chief crack crowning culminating dominant elite excellent fine finest first first-class first-rate five-star foremost head highest lead leading maximal maximum outside paramount preeminent primary prime principal ruling sovereign superior supreme tiptop top-drawer top-notch topmost upmost upper uppermost
ADJECTIVE
marvelous
Synonyms
STRONGEST
astonishing enjoyable excellent fabulous fantastic glorious magnificent neat pleasant satisfying sensational solid spectacular splendid terrific wonderful
WEAK
agreeable boss colossal cool divine dreamy fab groovy hot keen out of this world outrageous peachy pleasurable prime rewarding smashing solid-gold stupendous super supreme swell wicked
Antonyms
STRONGEST
common disagreeable inferior nasty normal ordinary poor regular usual
WEAK
inconsiderable insignificant worthless
ADJECTIVE
maximal
Synonyms
WEAK
best biggest largest most mostest outside paramount superlative supreme top topmost ultimate utmost uttermost
ADJECTIVE
maximum
Synonyms
STRONG
best maximal outside superlative top ultimate
WEAK
biggest largest most mostest paramount supreme topmost
Antonyms
STRONG
least low lowest worst
WEAK
minimum smallest
ADJECTIVE
optimal
Synonyms
STRONGEST
excellent
WEAK
24-carat A1 ace best capital choice choicest flawless gilt-edge highest ideal matchless maximum most advantageous most favorable peak peerless perfect select solid-gold superlative top world-class
ADJECTIVE
optimum
Synonyms
STRONG
A1 ace capital choice choicest excellent flawless gilt-edge highest ideal matchless maximum most advantageous most favorable optimal peak peerless perfect select solid-gold superlative world-class
Antonyms
STRONG
least poorest worst
ADJECTIVE
outstanding
Synonyms
STRONGEST
distinguished dominant eminent excellent exceptional famous great important impressive magnificent phenomenal preeminent special stellar superior superlative well-known
WEAK
A number one A-1 ace boss capital celebrated chief cool crack eventful far-out hundred-proof main major meritorious momentous mostest number one out-of-sight out-of-this-world predominant primo principal standout star super tops world-class
Antonyms
STRONGEST
OK bad common humble inferior insignificant little low normal ordinary poor powerless regular small undistinguished unexceptional unimportant unknown unnotable usual weak
WEAK
average inconspicuous paid resolved settled unnoticeable unremarkable unstriking
ADJECTIVE
peerless
Synonyms
STRONGEST
unequaled unrivaled
WEAK
aces all-time alone best beyond compare champion excellent faultless gilt-edge incomparable matchless most nonpareil only outstanding perfect second to none solid-gold super superlative supreme tops unexampled unique unmatched unparagoned unparalleled unsurpassed world-class
Antonyms
WEAK
imperfect inferior lowly mediocre secondary subordinate
ADJECTIVE
primary/prime
Synonyms
WEAK
capital cardinal chief crackerjack dominant excellent fab first first-class heavy highest hot leading main number one paramount primo state-of-the-art stellar top top-of-the-line tough world-class
Antonyms
WEAK
auxiliary inferior least minor second-rate secondary subordinate worst
ADJECTIVE
principal
Synonyms
STRONGEST
dominant key leading main major outstanding paramount predominant preeminent primary prime prominent
STRONG
arch capital cardinal champion chief essential first head maximum premier sovereign star superior
WEAK
controlling crowning foremost highest incomparable mainline matchless peerless prevailing second to none stellar strongest supereminent supreme transcendent unapproachable unequaled unparalleled unrivaled
Antonyms
STRONGEST
inconspicuous inessential inferior insignificant last lesser minor nonessential ordinary secondary subordinate trivial unimportant unknown
STRONG
auxiliary least lower poor
WEAK
extra
ADJECTIVE
remarkable
Synonyms
STRONGEST
curious exceptional important impressive miraculous momentous notable noteworthy noticeable odd outstanding phenomenal rare significant singular solid strange striking surprising uncommon unique wonderful
WEAK
arresting arrestive conspicuous distinguished famous gilt-edged marked peculiar preeminent primo prominent salient signal smashing splashy super uncustomary unordinary unwonted weighty wicked world-class zero cool
Antonyms
STRONGEST
average bad common commonplace familiar inconsequential inconspicuous inferior insignificant like normal ordinary poor regular similar standard trivial unexceptional unimportant unimpressive unnoticeable unremarkable usual worthless
WEAK
typical
ADJECTIVE
ripping
Synonyms
STRONG
astonishing boss cool divine keen prime primo rewarding satisfying smashing swell
WEAK
agreeable bad dreamy enjoyable excellent fab fabulous fantastic fantastical glorious groovy hot magnificent neat out of this world outrageous peachy pleasant pleasurable sensational solid solid-gold spectacular splendid stupendous super superb supreme terrific wonderful
Antonyms
STRONG
dull
ADJECTIVE
superlative
Synonyms
STRONGEST
magnificent outstanding peerless superb transcendent unparalleled
STRONG
best capital crack extreme optimum tops winning
WEAK
A-1 accomplished all-time consummate effusive exaggerated excessive finished gilt-edge highest hundred-proof inflated matchless of highest order standout supreme surpassing unexcelled unrivaled unsurpassed world-class
Antonyms
STRONGEST
bad inferior ordinary poor second-rate
STRONG
least worst
WEAK
low lowest second-class
ADJECTIVE
top
Synonyms
STRONGEST
dominant elite excellent finest leading preeminent primary principal
STRONG
capital chief crack crowning culminating fine first head lead maximum outside prime ruling sovereign superior tiptop upper
WEAK
apical first-class first-rate five-star foremost loftiest maximal paramount supreme top-drawer top-notch topmost uppermost
Antonyms
STRONGEST
inferior poor secondary subordinate unimportant
STRONG
below least lower minor submissive
WEAK
low lowest second-rate
ADJECTIVE
topmost
Synonyms
WEAK
apical capital chief crack crowning culminating dominant elite excellent fine finest first first-class first-rate five-star foremost head highest lead leading loftiest maximal maximum outside paramount preeminent primary prime principal ruling sovereign superior supreme tiptop top-drawer top-notch upmost upper uppermost
ADJECTIVE
topmost
Synonyms
WEAK
best biggest largest maximal most mostest outside paramount superlative supreme top ultimate utmost uttermost
ADJECTIVE
unparalleled
Synonyms
STRONGEST
exceptional incomparable rare singular unequaled unique unmatched unprecedented unrivaled unsurpassed
WEAK
all-time alone beyond compare champ champion consummate matchless most nonpareil only peerless single solid-gold ten tops winner without equal world-class
Antonyms
STRONGEST
common inferior normal ordinary regular unexceptional usual
WEAK
lower second-rate surpassable
ADJECTIVE
unrivaled
Synonyms
STRONGEST
excellent incomparable unequaled unmatched unparalleled unsurpassed
WEAK
best beyond compare champion faultless matchless outstanding perfect second to none super superior supreme tops without equal
Antonyms
STRONGEST
inferior poor second-rate
ADJECTIVE
unsurpassed
Synonyms
STRONGEST
excellent incomparable unequaled unmatched unparalleled unrivaled
WEAK
absolute best culminating final first foremost highest leading matchless paramount peerless perfect prevailing superior top ultimate
Antonyms
STRONGEST
inferior poor second-rate
ADJECTIVE
uppermost
Synonyms
STRONGEST
paramount predominant tops
WEAK
best big boss dominant executive foremost high-up leading main preeminent primary principal supreme the most winner world-class
Antonyms
STRONGEST
minor trivial
WEAK
bottom lower lowest
ADJECTIVE
utmost
Synonyms
STRONGEST
absolute all-out sheer ultimate unconditional
STRONG
chief entire final full last outside top total uttermost whole
WEAK
complete exhaustive farthest furthermost highest last straw maximal most distant out of bounds outermost paramount plenary preeminent remotest supreme the most thorough thoroughgoing too much too-too topmost ultra undiminished unlimited unmitigated unqualified unreserved worst case
Antonyms
STRONGEST
limited
STRONG
beginning first introductory middle starting unimportant
WEAK
moderate
NOUN
apex
Synonyms
STRONGEST
apogee culmination pinnacle
STRONG
acme climax crest crown cusp height max maximum meridian peak point roof spire sublimity summit tip tops vertex zenith
WEAK
most ne plus ultra up there
Antonyms
STRONG
base bottom nadir
NOUN
peak
Synonyms
STRONGEST
height pinnacle summit top
STRONG
acme apex apogee capstone climax crown culmination meridian tip
WEAK
high point ne plus ultra
Antonyms
STRONGEST
base bottom nadir
NOUN
pinnacle
Synonyms
STRONGEST
apex culmination height peak
STRONG
acme apogee climax cone crown max needle obelisk pyramid spire steeple summit tops tower vertex zenith
WEAK
most
Antonyms
STRONGEST
bottom nadir
WEAK
base
NOUN
victor
Synonyms
STRONG
champ champion conqueror first hero king medalist queen subjugator top vanquisher winner
WEAK
conquering hero defeater gold medalist prizewinner titleholder top dog
Antonyms
STRONG
loser

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Using this information, scientists identified 81 glaciers that present the greatest threat when they surge.

From Science Daily • Apr. 17, 2026

One mining CEO capitalizing on the shift called it “one of the greatest opportunities I could possibly imagine.”

From The Wall Street Journal • Apr. 15, 2026

America is still one of CMAT’s greatest muses, as well as the country that helped develop the dreams she now feels almost guilty for having.

From Los Angeles Times • Apr. 15, 2026

“If 24-hour care is needed for an extended period of time, it can easily be the single greatest expense of a person’s lifetime.”

From MarketWatch • Apr. 15, 2026

John Kennedy’s greatest fear was that he and Nikita Khrushchev were making the same mistakes as past leaders, bumbling down the same ruinous road.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin