Thesaurus.com
Dictionary.com
Definitions

guess

[ges] / gɛs /
NOUN
belief, speculation
Synonyms
STRONGEST
assumption conclusion conjecture feeling guesswork hunch hypothesis inference judgment opinion prediction presumption supposition theory
STRONG
deduction divination estimate fancy guesstimate 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
VERB
try to figure out; imagine
Synonyms
STRONGEST
believe calculate divine fathom infer predict presume pretend solve speculate suggest suppose surmise think
STRONG
chance conjecture deduce deem estimate fancy guesstimate 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

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.

I’m going to guess there has been a lot of pre-work that has gone into all of it.

From Barron's • Apr. 12, 2026

I don’t know why, I guess I just don’t change my style so much, so I can wear the same clothes I’ve been wearing for like, the past 15 years.

From The Wall Street Journal • Apr. 10, 2026

And based on her remarks, it’s not difficult to guess with which justice she might not have a civil relationship: Brett Kavanaugh.

From Slate • Apr. 10, 2026

“Sure was looking forward to speaking honestly with @DrewBarrymore yesterday but guess wasn’t in the cards.”

From Los Angeles Times • Apr. 9, 2026

“And the fever people are having in Ballilee,” I said, taking a guess about what might be wrong with the landlord.

From "Nory Ryan’s Song" by Patricia Reilly Giff

Vocabulary lists containing guess

Part 1 Vocabulary (Unit 2)

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!