unfathomable Definition

  • 1incapable of being fully explored or understood
  • 2immeasurable; not able to be fathomed

Using unfathomable: Examples

Take a moment to familiarize yourself with how "unfathomable" can be used in various situations through the following examples!

  • Example

    The depths of the ocean are unfathomable.

  • Example

    The complexity of the human brain is unfathomable.

  • Example

    The reasons for his behavior are unfathomable.

  • Example

    The universe is an unfathomable expanse.

unfathomable Synonyms and Antonyms

Antonyms for unfathomable

Phrases with unfathomable

  • unfathomable depths

    the deepest parts of something that cannot be fully explored or understood


    The ocean's unfathomable depths hold many mysteries.

  • something that is impossible to understand or explain


    The disappearance of the plane remains an unfathomable mystery.

  • a silence that is so deep and profound that it cannot be understood or explained


    The unfathomable silence of the desert was broken only by the sound of the wind.


Summary: unfathomable in Brief

The term 'unfathomable' [ʌnˈfæðəməbl] refers to something that is impossible to fully explore or understand. It can describe the depths of the ocean, the complexity of the human brain, or the vastness of the universe. 'Unfathomable' is often used in phrases like 'unfathomable depths,' 'unfathomable mystery,' and 'unfathomable silence.' Synonyms include 'incomprehensible' and 'inscrutable,' while informal equivalents include 'mind-boggling' and 'beyond understanding.'