Synonyms of conjecture in English:

conjecture


See US English definition of conjecture

See UK English definition of conjecture

See Spanish definition of conjetura

noun

1‘we find his conjectures implausible’

SYNONYMS
guess, speculation, surmise, fancy, notion, belief, suspicion, presumption, assumption, theory, hypothesis, postulation, supposition
inference, extrapolation, projection
approximation, estimate, rough calculation, rough idea
guesswork, guessing, surmising, imagining, theorizing
informal guesstimate, shot in the dark
North American informal ballpark figure
ANTONYMS

fact


verb

1‘I conjectured that the game was about to end’

SYNONYMS
guess, speculate, surmise, infer, fancy, imagine, believe, think, suspect, presume, assume, hypothesize, take as a hypothesis, theorize, form a theory, formulate a theory, suppose
ANTONYMS

know