Deep and Unfathomable


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Deep adjective – Extending far downward.
Usage example: the ax made a deep cut into the wood

Unfathomable is a synonym for deep in profound topic. In some cases you can use "Unfathomable" instead the word "Deep" as an adjective or a noun, when it comes to topics like big, bottomless, fathomless, obscure. popular alternative
Nearby Words: deeply, deepen, deepness, deepened, deepening
Synonyms for Deep


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Unfathomable adjective – Impossible to understand.
Usage example: for some unfathomable reason the family decided to venture out into the blizzard

Deep is a synonym for unfathomable in bottomless topic. You can use "Deep" instead the word "Unfathomable" as an adjective or a noun, if it concerns topics such as fathomless, inscrutable, hard to believe. popular alternative
Synonyms for Unfathomable

Things that words describes

fear deep fear unfathomable fear
knowledge deep knowledge unfathomable knowledge
accent deep accent unfathomable accent
secret deep secret unfathomable secret
Other nouns: connections.

Both words in one sentence

  • Much is made of his androgynous good looks, and he tends to come off a bit deep and unfathomable when he's having a prescient moment.
  • Lexie plans to keep her baby, but also plans to sell her share of the house to do so - a betrayal so deep and unfathomable that it drives Justin to stab her in his fury and confusion.
  • Fan Fic / Yet again Waltz, to an unfathomable degree, if his recollections and impossibly deep regret are any indication.
Cite this Source
Unfathomable and Deep. (2016). Retrieved 2020, October 30, from
Deep & Unfathomable. N.p., 2016. Web. 30 Oct. 2020. <>.
Unfathomable or Deep. 2016. Accessed October 30, 2020.

Synonyms for deep
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Synonyms for unfathomable
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Google Ngram Viewer shows how "deep" and "unfathomable" have occurred on timeline: