Skip to content
GREMockTests
GRE vocabulary

unfathomable

adjectiveCommon GRE wordMore U words

impossible to understand or measure fully

Test your vocabulary in a real test Full-length · no signup · instant score
In a sentence

Unfathomable in a sentence

Here is an example sentence showing unfathomable in a sentence.

The motives behind his sudden departure remained unfathomable to his closest friends.

Antonyms
comprehensiblefathomableclear
Common questions

Questions about “unfathomable

Unfathomable (adjective) means impossible to understand or measure fully
Here is unfathomable used in an example sentence: "The motives behind his sudden departure remained unfathomable to his closest friends."
Common synonyms for unfathomable include incomprehensible, inscrutable, impenetrable.
Antonyms of unfathomable include comprehensible, fathomable, clear.
Unfathomable is a GRE-level vocabulary word worth knowing for the Verbal section.

See these words the way the GRE tests them.

Definitions in isolation do not stick. Sit a free, full-length GRE mock and meet this vocabulary inside real text completion and sentence equivalence questions, with your score and a worked solution for every answer.