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conjecture

[ kuhn-jek-cher ]
/ kənˈdʒɛk tʃər /
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See synonyms for: conjecture / conjectured / conjecturing / conjecturable on Thesaurus.com

noun

the formation or expression of an opinion or theory without sufficient evidence for proof.
an opinion or theory so formed or expressed; guess; speculation.
Obsolete. the interpretation of signs or omens.

verb (used with object), con·jec·tured, con·jec·tur·ing.

to conclude or suppose from grounds or evidence insufficient to ensure reliability.

verb (used without object), con·jec·tured, con·jec·tur·ing.

to form conjectures.

QUIZZES

QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?

Origin of conjecture

1350–1400; (noun) Middle English from Latin conjectūra (from Middle French ) inferring, reasoning, equivalent to conject(us), past participle of conjicere “to throw together, form a conclusion” (con- con- + -jicere, combining form of jacere “to throw”) + -ūra -ure; (verb) late Middle English conjecturen (from Middle French ) from Late Latin conjecturāre, derivative of the noun

synonym study for conjecture

4. See guess.

OTHER WORDS FROM conjecture

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for conjecture

British Dictionary definitions for conjecture

conjecture
/ (kənˈdʒɛktʃə) /

noun

the formation of conclusions from incomplete evidence; guess
the inference or conclusion so formed
obsolete interpretation of occult signs

verb

to infer or arrive at (an opinion, conclusion, etc) from incomplete evidence

Derived forms of conjecture

conjecturable, adjectiveconjecturably, adverbconjecturer, noun

Word Origin for conjecture

C14: from Latin conjectūra an assembling of facts, from conjicere to throw together, from jacere to throw
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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