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unfathomable

play
adjective un·fath·om·able \-ˈfa-thə-mə-bəl\

Simple Definition of unfathomable

  • : impossible to understand

Source: Merriam-Webster's Learner's Dictionary

Full Definition of unfathomable

  1. :  not capable of being fathomed: a :  immeasurable b :  impossible to comprehend

unfathomably

play \-blē\ adverb

Examples of unfathomable in a sentence

  1. His behavior is completely unfathomable.

  2. <the unfathomable reaches of space>



1640

First Known Use of unfathomable

1640



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