[ verb ser-mahyz; noun ser-mahyz, sur-mahyz ]
/ verb sərˈmaɪz; noun sərˈmaɪz, ˈsɜr maɪz /
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See synonyms for: surmise / surmised on Thesaurus.com

verb (used with object), sur·mised, sur·mis·ing.

to think or infer without certain or strong evidence; conjecture; guess.

verb (used without object), sur·mised, sur·mis·ing.

to conjecture or guess.


a matter of conjecture.
an idea or thought of something as being possible or likely.
a conjecture or opinion.



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 surmise

1350–1400; Middle English surmisen from Anglo-French surmis(e), Middle French (past participle of surmettre “to accuse” from Latin supermittere “to throw upon”), equivalent to sur- sur-1 + mis (masculine), mise (feminine) from Latin missus, missa, equivalent to mit(tere) “to send” + -tus, -ta past participle suffix

synonym study for surmise

1. See guess.


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

Example sentences from the Web for surmise

British Dictionary definitions for surmise


verb (sɜːˈmaɪz)

(when tr, may take a clause as object) to infer (something) from incomplete or uncertain evidence

noun (sɜːˈmaɪz, ˈsɜːmaɪz)

an idea inferred from inconclusive evidence

Derived forms of surmise

surmisable, adjectivesurmiser, noun

Word Origin for surmise

C15: from Old French, from surmettre to accuse, from Latin supermittere to throw over, from super- + mittere to send
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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