Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “surmise”


verb [T]     /ˈsə.maɪz/ US  /sɚ-/ formal
to guess something, without having much or any proof: [+ (that)] The police surmise (that) the robbers have fled the country.Guessing, supposing and suspecting
(Definition of surmise verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of surmise

More definitions for “surmise”

Definitions of “surmise” in other dictionaries

Translations of “surmise”

Word of the Day


If you crew a boat, or crew for someone on their boat, you help to sail it.

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More