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Definition of unfathomed

unfathomed

/ʌnˈfæð.əmd/
un · fath · omed

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unfathomed Lexical Profile

unfathomed Game Scores & Validity

• adjective

1

Not fully explored, understood, or comprehended.

Example

"The psychologist spoke of the unfathomed complexities of human memory."


2

Not measured in depth; too deep to have been sounded (especially of water or an abyss).

Example

"Strange bioluminescent creatures inhabit the unfathomed trenches of the Pacific Ocean."

Synonyms
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Antonyms
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Word Nuance & Usage

While 'unfathomable' means impossible to understand or measure, 'unfathomed' means not yet understood or measured, leaving open the possibility that it may be comprehended in the future.

Word Origin & Etymology

Formed in the late 16th century from the prefix 'un-' and 'fathomed', the past participle of 'fathom', which comes from Old English 'fæthm' meaning 'outstretched arms' (used as a unit of six feet for measuring water depth).

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Unfathomed. In Wordmom Dictionary. Retrieved Nov 3, 2026, from https://wordmom.com/dictionary/unfathomed
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