Dictionary.com
Thesaurus.com
Synonyms

surmise

American  
[ser-mahyz, ser-mahyz, sur-mahyz] / sərˈmaɪz, sərˈmaɪz, ˈsɜr maɪz /

verb (used with object)

surmised, surmising
  1. to think or infer without certain or strong evidence; conjecture; guess.

    Synonyms:
    suspect, suppose, imagine

verb (used without object)

surmised, surmising
  1. to conjecture or guess.

noun

  1. a matter of conjecture.

  2. an idea or thought of something as being possible or likely.

  3. a conjecture or opinion.

surmise British  

verb

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

"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

noun

  1. an idea inferred from inconclusive evidence

"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

Related Words

See guess.

Other Word Forms

  • surmisable adjective
  • surmisedly adverb
  • surmiser noun
  • unsurmised adjective
  • unsurmising adjective

Etymology

Origin of surmise

First recorded in 1350–1400; Middle English surmisen, from Anglo-French surmis(e), Middle French “accused,” past participle of surmettre “to accuse,” from Latin supermittere “to throw upon,” from super super- + mittere “to let go, send”

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.

We don’t really know who Isidora was: We can surmise that she was, most likely, the wife of a man of means, of high but not regal status.

From The Wall Street Journal • Feb. 20, 2026

A half-blind raccoon could surmise Gladys’ origins if it were paying attention to the first two-thirds of the film.

From Salon • Aug. 8, 2025

As my colleague Paul Roberts reported, experts in the retail sector surmise that North Face’s decision was a consequence of local challenges and the larger problems in the outdoor clothing sector.

From Seattle Times • May 24, 2024

“You might surmise it, but you don’t have a quantitative record,” he said.

From New York Times • May 3, 2024

The less this Quiz Bowl is made into a big deal, the faster I can skedaddle out of here, I surmise.

From "Saints and Misfits" by S.K. Ali