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Definitions

guesstimate

[ges-tuh-meyt, ges-tuh-mit, -meyt] / ˈgɛs təˌmeɪt, ˈgɛs tə mɪt, -ˌmeɪt /
ADVERB
virtually
Synonyms
STRONGEST
basically essentially nearly practically
WEAK
around as good as effectually for all intents and purposes fundamentally give or take a little implicitly in all but name in effect in essence in substance in the ballpark in the neighborhood morally not absolutely not actually something like upwards of
NOUN
approximation
Synonyms
STRONG
conjecture estimation guess
WEAK
ballpark figure educated guess informed guess rough idea rough measure
Antonyms
WEAK
difference dissimilarity
NOUN
ballpark figure
Synonyms
WEAK
approximation estimate estimation guess informed guess judgment projection rough figure rough guess rough measure
NOUN
conjecture
Synonyms
STRONGEST
guesswork hunch hypothesis inference supposition
STRONG
conclusion fancy guess notion opinion presumption surmise theorizing theory
WEAK
perhaps shot in the dark sneaking suspicion stab in the dark
Antonyms
STRONGEST
proof reality truth
STRONG
calculation certainty fact measurement
NOUN
estimate
Synonyms
STRONGEST
appraisal assessment conclusion estimation evaluation guess measure measurement opinion projection rating survey valuation
STRONG
assay belief conjecture gauging impression judgment mensuration reckoning stock surmise thought
WEAK
appraisement ballpark figure point of view sizing up
Antonyms
STRONGEST
ignorance
STRONG
fact truth
NOUN
guess
Synonyms
STRONGEST
assumption conclusion conjecture feeling guesswork hunch hypothesis inference judgment opinion prediction presumption supposition theory
STRONG
deduction divination estimate fancy induction notion postulate postulation presupposition reckoning shot stab supposal surmisal surmise suspicion thesis view
WEAK
ballpark figure shot in the dark sneaking suspicion
Antonyms
STRONGEST
fact proof reality truth
STRONG
certainty knowledge
WEAK
calculation measurement
NOUN
guesswork
Synonyms
STRONGEST
conjecture hunch
STRONG
assumption conclusion deduction divination estimate fancy feeling hypothesis induction inference judgment notion opinion postulate postulation prediction presumption presupposition
WEAK
ballpark figure reck
Antonyms
STRONGEST
proof reality truth
NOUN
speculation
Synonyms
STRONGEST
belief conjecture opinion thought
STRONG
cerebration cogitation consideration contemplation deliberation excogitation guesswork hunch hypothesis meditation reflection review shot stab studying supposition surmise thinking weighing
WEAK
brainwork shot in the dark sneaking suspicion stab in the dark
Antonyms
STRONGEST
reality truth
STRONG
disdain disregard ignorance knowledge measurement neglect proof
WEAK
abstention fact information
NOUN
supposition
Synonyms
STRONGEST
conjecture guesswork hunch hypothesis presumption thesis
STRONG
assumption condition doubt guessing idea likelihood notion opinion posit postulate postulation premise presupposition speculation surmise suspicion theory view
WEAK
apriorism rough guess shot in the dark sneaking suspicion stab in the dark suppose
Antonyms
STRONGEST
fact proof reality truth
STRONG
certainty information knowledge trust
NOUN
surmise
Synonyms
STRONG
assumption attempt conjecture deduction guesswork hunch hypothesis idea inference notion opinion possibility presumption speculation supposition suspicion theory thought
WEAK
sneaking suspicion
Antonyms
STRONG
certainty fact information knowledge proof reality truth
WEAK
calculation measurement
VERB
appraise
Synonyms
STRONGEST
apprize assess audit calculate check out evaluate examine gauge inspect peg
STRONG
adjudge assay check deem eye figure price rate read review size survey valuate value
WEAK
figure in figure out have one's number look over set at take account of
Antonyms
STRONG
ignore neglect
VERB
conjecture
Synonyms
STRONG
assume believe conceive conclude deem estimate expect fancy feel figure gather glean guess hypothesize imagine infer judge presume pretend suppose surmise suspect theorize think
WEAK
hazard a guess take a shot take a stab take for granted
Antonyms
STRONG
calculate disbelieve know measure misunderstand not believe
WEAK
prove
VERB
estimate
Synonyms
STRONGEST
appraise assess believe classify consider count decide determine evaluate examine expect predict rank
STRONG
account assay budget cast cipher class compute conjecture deduce enumerate figure gauge guess judge number outline plan prophesy rate reason reckon regard scheme sum suppose surmise suspect tax think
WEAK
calculate roughly form opinion look into look upon run over set a figure size up think through
Antonyms
STRONGEST
disregard hesitate ignore
STRONG
calculate disbelieve forget guess know measure neglect
VERB
evaluate
Synonyms
STRONGEST
appraise assess calculate check check out classify decide figure out gauge grade weigh
STRONG
assay class criticize estimate peg rank rate read reckon size survey valuate value
WEAK
fiture look over price out set at size up take account of take measure
Antonyms
STRONG
neglect
VERB
gauge
Synonyms
STRONGEST
appraise ascertain assess calculate calibrate determine evaluate guess quantify take account of weigh
STRONG
adjudge check compute count estimate eye figure meter peg rate reckon scale size tally value
WEAK
check out figure in have one's number look over quantitate size up
Antonyms
STRONG
estimate guess subtract
VERB
guess
Synonyms
STRONGEST
believe calculate divine fathom infer predict presume pretend solve speculate suggest suppose surmise think
STRONG
chance conjecture deduce deem estimate fancy hazard hypothesize judge opine penetrate pick postulate predicate reason reckon select survey suspect theorize venture
WEAK
dare say go out on a limb happen upon jump to a conclusion lump it size up take a shot at take a stab at think likely work out
Antonyms
STRONGEST
abstain disbelieve ignore misunderstand neglect question wonder
STRONG
prove refuse reject
WEAK
measure
VERB
hypothesize
Synonyms
STRONG
brainstorm cerebrate cogitate conjecture consider contemplate deliberate dope excogitate figure guess
WEAK
beat one's brains build castles in air call it call the turn chew over dope out figure out have a hunch hazard a
Antonyms
STRONG
discard disregard forget ignore neglect
VERB
speculate
Synonyms
STRONGEST
contemplate figure out guess hypothesize read reflect ruminate surmise weigh wonder
STRONG
brainstorm cerebrate cogitate conjecture consider deliberate excogitate figure meditate muse reason review scheme study suppose suspect
WEAK
beat one's brains build castles in air call it call the turn chew over dope out have a hunch hazard a guess head-trip kick around pipe-dream psych out read between lines run it up flagpole size up
Antonyms
STRONGEST
disregard ignore neglect
STRONG
dismiss forget know
WEAK
abstain
VERB
suppose
Synonyms
STRONGEST
deem expect presume pretend think understand
STRONG
accept admit brainstorm calculate conjecture divine dream estimate figure grant hypothesize imagine infer judge opine posit predicate presuppose spark speculate surmise suspect take theorize
WEAK
cook up dare say go out on a limb hazard a guess take for granted
Antonyms
STRONG
deny disallow dispute know misunderstand prove reject
WEAK
measure
VERB
surmise
Synonyms
STRONGEST
deduce hypothesize infer opine presume pretend speculate theorize
STRONG
assume conclude conjecture consider fancy guess imagine regard suppose suspect think
WEAK
hazard a guess risk assuming take a shot take a stab venture a guess
Antonyms
STRONGEST
abstain
STRONG
calculate disbelieve disregard forget ignore know leave measure neglect
WEAK
question wonder
VERB
valuate
Synonyms
STRONG
account appraise assay assess believe budget calculate cast cipher class classify compute conjecture consider count decide deduce determine enumerate evaluate examine expect figure gauge guess judge number outline plan predict prophesy rank rate reason reckon regard scheme sum suppose surmise suspect tax think value
WEAK
calculate roughly form opinion look into look upon run over set a figure size up take the measure of think through
Antonyms
STRONG
disbelieve disregard estimate forget guess hesitate ignore know measure neglect

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.

One early guesstimate located the heliopause as close as Jupiter.

From Scientific American • Jun. 16, 2022

Brennan: Like even that number you cited — the 75% number — I don’t know that it’s necessarily fair to extrapolate from one anonymous player’s memory or guesstimate.

From Los Angeles Times • Apr. 24, 2022

So the recipe was part oral history, part complete guesstimate.

From Salon • Mar. 18, 2022

Ulis posits that the FBI’s search area in 1971 was too far east — that the FBI’s guesstimate of the plane’s flight path was off.

From Seattle Times • Nov. 9, 2020

This was only a preliminary estimate, a guesstimate really; the government will gather more data and revise that number in the coming months.

From Slate • Jul. 26, 2019