Definition of fathomless in English:



  • Unable to be measured or understood; extremely deep.

    ‘staring into a pair of cold, fathomless grey eyes’
    ‘the fathomless depths of the novel’
    • ‘Her faith in my indestructibility is a fathomless ocean that buoys me upward.’
    • ‘His greatest weakness may well be his seemingly fathomless personal vanity.’
    • ‘Unable to contemplate the truth of what we do, we extract from our fathomless collective guilt a story of primordial innocence.’
    • ‘It's an image of fathomless, shocking power, like lifting a trap door and glimpsing something beautiful and noisome, fascinating and unknowable.’
    • ‘What an infinitesimal fraction of time's fathomless abyss is assigned to each of us!’
    enigmatic, mysterious, impenetrable, incomprehensible, unfathomable, opaque, profound, deep
    bottomless, unfathomable, unfathomed, unsounded, immeasurable, endless, infinite, measureless
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