Comprehend
Comprehend verb - To have a clear idea of.
Usage example: the age at which children can comprehend the difference between right and wrong
Fathom is a synonym for comprehend in understand topic. In some cases you can use "Fathom" instead a verb "Comprehend", when it comes to topics like knowledge. popular alternative
Fathom
Fathom verb - To measure the depth of (as a body of water) typically with a weighted line.
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Synonyms for Fathom
Comprehend is a synonym for fathom in understand topic. You can use "Comprehend" instead a verb "Fathom", if it concerns topics such as knowledge, discern. popular alternative
Mutual synonyms
Related pairs
Common collocations
Both words in one sentence
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Her problems stem from a serious case of Moral Myopia combined with Evil Cannot Comprehend Good, and she can't (or rather, refuses to) fathom why her old clan keeps trying to defeat her.
Source: Tautological Templar - Evil Cannot Comprehend Good: Tiberius is convinced that Germanicus is planning to overthrow him, and just cannot fathom the idea that he's just as honest and loyal as he appears.
Source: Literature / I, Claudius -
Evil Cannot Comprehend Good: Some of the bad guys Kimble meets can't fathom his frequent attempts to help others, even when the smart move is to run for his life before the cops show.
Source: Series / The Fugitive
Cite this Source
Fathom and Comprehend. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/comprehend/fathom
Comprehend & Fathom. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/comprehend/fathom>.
Fathom or Comprehend. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/comprehend/fathom.
Google Ngram Viewer shows how "comprehend" and "fathom" have occurred on timeline