Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “fathom”

fathom

verb [T]     /ˈfæð.əm/
to discover the meaning of something: For years people have been trying to fathom (out) the mysteries of the whale's song .Understanding and comprehending to understand someone or why someone acts as they do: I can't fathom her at all.Understanding and comprehending
(Definition of fathom verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of fathom

Browse related topics

You are looking at an entry to do with Understanding and comprehending, but you might be interested in these topics from the Knowing and understanding topic area:

More definitions for “fathom”

Definitions of “fathom” in other dictionaries

Word of the Day

drizzle

to pour liquid slowly over something, especially in a thin line or in small drops

Word of the Day

Blog

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