unfathomable

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

Definition of unfathomable

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

unfathomably

play \ˌən-ˈfa-thə-mə-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


UNFATHOMABLE Defined for English Language Learners

unfathomable

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

Definition of unfathomable for English Language Learners

  • : impossible to understand



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