Definitions

open up

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accelerate v.
acknowledge v.
admit v.
broach v.
broaden v.
divulge v.
enlighten v.
institute v.
introduce v.
knife v.
operate v.
originate v.
pioneer v.
profess v.
release v.
shoot v.
slash v.
stab v.
strike v.
tell v.
thaw v.
uncover v.
unfurl v.
unveil v.
wound v.

VERB

accelerate

Synonyms

STRONGEST

advance expedite further hasten quicken spur step up stimulate

STRONG

drive dust forward gun hurry impel precipitate railroad rev roll tool

WEAK

fire up hammer on lay a patch lay rubber make tracks nail it peel rubber put on afterburners put pedal to metal rev up speed up step on the gas

Antonyms

STRONGEST

block cease check delay discourage halt hinder slow stop

STRONG

dissuade repress wait

WEAK

decelerate defer impede postpone retard slow down

VERB

acknowledge

Synonyms

STRONGEST

accept concede confess declare profess recognize

STRONG

accede acquiesce allow avow crack grant own yield

WEAK

come clean come out of closet cop a plea fess up get off chest let on

Antonyms

STRONGEST

conceal deny disagree disavow dispute hide refuse reject repudiate

STRONG

condemn disallow disapprove protest veto

WEAK

abjure contradict disregard forswear ignore renounce

VERB

admit

Synonyms

STRONGEST

accept affirm agree allow approve concede confirm declare disclose grant indicate permit recognize reveal talk tell

STRONG

accord acquiesce adopt avow bare communicate concur confide consent credit divulge enumerate expose let narrate number own proclaim profess recite relate spill tolerate uncover unveil yield

WEAK

bring to light cop a plea go into details let on make known own up subscribe to

Antonyms

STRONGEST

conceal contradict decline deny disagree disallow disapprove dispute dissent hide invalidate listen misunderstand oppose protest refuse reject repudiate veto

STRONG

argue cover differ disown keep object prevent secrete sell suppress withhold

WEAK

confute debar dismiss eject exclude expel gainsay oust repel shut

VERB

broach

Synonyms

STRONGEST

bring up hint at moot touch on

STRONG

advance approach interject interpose introduce mention move offer propose submit suggest ventilate

WEAK

raise subject speak of talk of

Antonyms

STRONG

close deny dissuade refuse stop take back withdraw

WEAK

close up not mention

VERB

broaden

Synonyms

STRONGEST

augment develop enlarge expand increase widen

STRONG

fatten grow ream spread stretch swell

WEAK

breadthen

Antonyms

STRONGEST

abridge compress decrease diminish lessen lower narrow shrink

STRONG

concentrate

WEAK

restrict

VERB

divulge

Synonyms

STRONGEST

admit blab communicate disclose give away leak publish reveal uncover

STRONG

betray broadcast declare discover exhibit expose gossip impart mouth proclaim promulgate spill spring tattle tell

WEAK

blow the whistle cough up fess up go public let hair down let slip own up spill the beans tip off

Antonyms

STRONGEST

conceal cover hide keep suppress withhold

STRONG

protect

WEAK

secrete

VERB

enlighten

Synonyms

STRONGEST

acquaint advise civilize edify educate inform uplift

STRONG

apprise brief catechize convert counsel direct disclose divulge elucidate guide illume illuminate illumine imitate improve inculcate indoctrinate inspirit instruct persuade preach reveal save school teach tell train update

WEAK

cause to understand give faith give the lowdown give the word let in on put on to

Antonyms

STRONGEST

conceal deceive hide

STRONG

harm hurt keep learn listen misguide mislead neglect obscure secrete suppress

WEAK

be vague bewilder confound confuse delude puzzle

VERB

institute

Synonyms

STRONGEST

appoint come up with create enact establish inaugurate initiate install introduce launch organize set up

STRONG

bow commence constitute fix found induct invest open ordain originate pioneer rev settle start

WEAK

break in bring into being come out with make up set in motion usher in

Antonyms

STRONGEST

close conclude destroy end finish refuse ruin stop

STRONG

complete ignore unsettle

WEAK

cease halt prevent

VERB

introduce

Synonyms

STRONGEST

announce offer open propose recommend submit suggest

STRONG

acquaint advance air broach familiarize harbinger herald moot originate precede preface usher ventilate

WEAK

bring out bring up come out with do the honors fix up get things rolling get-together give introduction kick off knock down lead into lead off pave the way put forward set forth spring with start ball rolling

Antonyms

STRONGEST

conceal deny dissuade hide refuse withhold

STRONG

close close up end finish

WEAK

erase extract subtract take away

VERB

knife

Synonyms

STRONG

brand carve clip cut hurt impale jag kill lacerate lance pierce shank shiv slash slice spit stick thrust wound

WEAK

chop down

Antonyms

STRONG

aid cure heal help

VERB

operate

Synonyms

STRONGEST

explore set

STRONG

amputate cut excise remove transplant treat

WEAK

carve up

VERB

originate

Synonyms

STRONGEST

conceive develop discover evolve found generate hatch initiate invent produce spark spawn

STRONG

cause coin compose form formulate inaugurate innovate institute launch make parent pioneer procreate start

WEAK

break the ice bring about come up with give birth to set in motion set up think up usher in

Antonyms

STRONGEST

cease decrease destroy end halt stop

STRONG

finish kill prevent ruin

WEAK

effect result terminate

VERB

pioneer

Synonyms

STRONG

begin colonize create develop discover establish explore found initiate instigate institute launch originate prepare spearhead start

WEAK

go out in front map out show the way take the lead trailblaze

Antonyms

STRONG

cease complete conclude destroy die end finish halt ignore neglect prevent ruin stop terminate

VERB

profess

Synonyms

STRONGEST

acknowledge admit affirm avow confess feign pretend proclaim stump

STRONG

allege announce asseverate aver avouch certify claim confirm croon depose dissemble fake maintain own predicate purport sing spiel spout state vouch

WEAK

act as if blow hot air come out constate cross heart get off chest get on soapbox make out own up say so soapbox swear on bible swear up and down talk big

Antonyms

STRONGEST

conceal deny disavow disown dispute hide refuse renounce repudiate

STRONG

be quiet contradict invalidate question reject

VERB

release

Synonyms

STRONGEST

clear deliver discharge drop free issue leak surrender

STRONG

absolve acquit commute disengage dispense emancipate exculpate excuse exempt exonerate extricate liberate loose loosen manumit spring unbind unchain undo unfasten unleash unloose untie vent yield

WEAK

bail out cast loose give off give out go easy on let off let off steam let up on set at large set free set loose take out turn loose turn out unfetter unshackle wipe the slate clean

Antonyms

STRONGEST

confine detain hold imprison keep limit restrain retain suppress

STRONG

bind blame charge condemn convict fasten incarcerate incriminate prevent sentence

WEAK

collect gather maintain

VERB

shoot

Synonyms

STRONGEST

blast execute explode fire hit hurl kill launch murder open fire

STRONG

bag barrage bombard catapult dispatch emit expel fling gun ignite loose plug pop project propel pump torpedo trigger zap

WEAK

bring down drop the hammer let fly let go with pick off pull the trigger set off throw lead

Antonyms

STRONGEST

bear create fail

STRONG

conceal hold keep withhold

WEAK

backfire walk

VERB

slash

Synonyms

STRONGEST

hack sever slice slit

STRONG

carve chop gash incise injure lacerate pierce rend rip score wound

Antonyms

STRONGEST

combine unite

STRONG

aid heal mend

WEAK

sew

VERB

stab

Synonyms

STRONGEST

hurt injure jab prick punch stick wound

STRONG

bayonet brand carve chop cleave clip cut drive gore hit jag knife penetrate pierce plow plunge prong ram saber shank sink slice spear thrust transfix

WEAK

run through

Antonyms

STRONGEST

aid assist cure heal help

VERB

strike

Synonyms

STRONGEST

arrive at catch reach seize take

STRONG

achieve attain effect encounter uncover unearth

WEAK

chance upon come across come upon dig up happen upon hit upon lay bare light upon stumble across turn up

VERB

tell

Synonyms

STRONGEST

advise announce confess declare disclose explain express inform instruct mention notify order report reveal say speak state summon

STRONG

acquaint apprise authorize bid command direct divulge enjoin impart leak level proclaim recite represent require utter

WEAK

break the news call upon clue in fill in give facts give out keep posted lay open leave word let in on let know let slip make known put before reel off spit it out

Antonyms

STRONGEST

ask be quiet conceal deny disavow hide keep secret question secrete suppress withhold

STRONG

deceive keep mislead

WEAK

estimate figure guess listen misunderstand

VERB

thaw

Synonyms

STRONGEST

defrost dissolve loosen melt relax soften warm up

STRONG

deliquesce flow flux fuse liquefy mollify relent run unbend

WEAK

become liquid become soft

Antonyms

STRONGEST

coagulate solidify worry

WEAK

freeze

VERB

uncover

Synonyms

STRONGEST

bring to light crack discover divulge expose unearth

STRONG

bare betray break denude display leak open show strike strip subject tap tell unclothe unmask unveil unwrap

WEAK

dig up give away hit upon lay bare lay open make known stumble on tip one's hand

Antonyms

STRONGEST

conceal hide

STRONG

cover secret

WEAK

suppress

VERB

unfurl

Synonyms

STRONGEST

unfold unwind

STRONG

open unpack

WEAK

spread out

Antonyms

WEAK

fold up roll up

VERB

unveil

Synonyms

STRONGEST

disclose display open tell

STRONG

bare betray discover divulge expose show spring unbosom uncover

WEAK

bring to light come out give away lay bare lay open let it all hang out make known make public tip one's hand

Antonyms

STRONGEST

conceal cover hide secrete withhold

STRONG

protect

WEAK

veil

VERB

wound

Synonyms

STRONGEST

damage harm hit hurt injure

STRONG

bruise carve clip contuse cut ding gash irritate lacerate nick pierce scrape scratch slash slice stick total

WEAK

ouch rough up

Antonyms

STRONGEST

aid assist benefit cure fix heal help improve mend

WEAK

appease

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.

See Examples For:

open up

Home inspectors don’t open up walls and remove flooring to check for hidden defects in a home, he noted.

From MarketWatch ● Aug. 15, 2026

“It’s mostly for the kids,” Josh said, explaining that a European passport could open up education and job opportunities for them.

From Los Angeles Times ● Aug. 13, 2026

"Because this is associated with an individual case and individual person, I think that's where the worry lies here for me, because who else is this going to then open up this opportunity for."

From BBC ● Aug. 6, 2026

Baseball has a bleak history of wealthy owners unwilling to open up their wallets when it matters most—why howl about a team that unabashedly does?

From The Wall Street Journal ● Aug. 3, 2026

Annie said that maybe they could put a telephone in later, but I don’t know how they’ll be able to open up the time capsule after Cleopatra’s Needle is standing on top of it!

From "The (Mostly) True Story of Cleopatra's Needle" by Dan Gutman

open up

Example Sentences

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