Synonyms of unfathomable
37 similar words · 23 opposite words
Another word for unfathomable is soundless. Other synonyms of unfathomable are unplumbable. The opposite of unfathomable is calculable.
Synonyms and similar words for unfathomable
adjectiveEspecially of depth: physically incapable of being measured; immeasurable.
- abyssalBelonging to, or resembling, an abyss; unfathomable.
- incalculable
- inestimable
- soundlessNot capable of being sounded or fathomed.
- unplumbableNot plumbable; unfathomable.
- unsoundableImpossible to sound; whose depth cannot be gauged.
adjectiveImpossible to grasp the extent of, or to fully know or understand.
- bottomlessDifficult to understand; unfathomable.
- fathomlessUnfathomable or incomprehensible.
- impenetrableIncomprehensible; fathomless; inscrutable.
- unintelligibleNot intelligible; unable to be understood.
- abstruseDifficult to comprehend or understand; obscure.
- Chinese
- denseObscure or difficult to understand.
- enigmatic
- Greek
- inapprehensibleThat cannot be apprehended; not apprehensible to or graspable by either body or mind.
- incognizableNot cognizable; incapable of being recognised.
- incomprehensible
- ineffable
- inenubilable formal, literaryInexplicable, mysterious, unclear.
- inexplicableImpossible to explain; not easily accounted for.
- insensibleUnable to be understood; unintelligible.
- inscrutableDifficult or impossible to comprehend, fathom, or interpret.
- insolubleThat cannot be explained.
- insolvable
- mysteriousDifficult to understand.
- nonunderstandableNot understandable.
- obscureDifficult to understand; abstruse.
- tenebrose figurativelyObscure; obtuse; incomprehensible.
- thickDifficult to understand, or poorly articulated.
- undecipherableNot easily deciphered; difficult to read.
- undiscoverable
- unexplainableThat doesn't have a known or readily available explanation.
- ungraspable
- unknowableNot knowable; not able to be known.
- ununderstandableNot understandable; that cannot be understood.
- retruse obsolete
Opposite of unfathomable
adjectiveEspecially of depth: physically incapable of being measured; immeasurable.
- calculableAble to be calculated; calculatable.
- estimable
- fathomableAble to be fathomed.
- measurable
- plumbableCapable (as depths) of being plumbed.
- soundable
adjectiveImpossible to grasp the extent of, or to fully know or understand.
- explicableAble to be explained.
- intelligibleCapable of being understood; clear to the mind.
- penetrable
- understandableCapable of being understood; comprehensible.
- apprehensibleWhich can be apprehended (usually in the sense of being understood).
- clearFree of ambiguity or doubt; easily understood.
- limpidClear, transparent or bright.
- comprehensibleAble to be comprehended.
- explainableAble to be explained or understood.
- explicatableExplicable.
- graspable
- illuminable
- lucid
- pellucidEasily understood; clear.
- perspicuousClearly expressed, easy to understand; lucid.
- straightforward
- tangible
Meaning of unfathomable
- adjective Especially of depth: physically incapable of being measured; immeasurable.
- adjective Impossible to grasp the extent of, or to fully know or understand.
unfathomable in other languages
Questions about synonyms of unfathomable
- What is another word for unfathomable?
- Unfathomable has 37 synonyms on Word.ws, such as soundless and unplumbable.
- What is the opposite of unfathomable?
- The opposite of unfathomable is calculable.
- What does unfathomable mean?
- Unfathomable means especially of depth: physically incapable of being measured; immeasurable.
Source and license
Adapted from Wiktionary: unfathomable (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of unfathomable.” Word.ws, https://word.ws/synonyms/unfathomable. Based on Wiktionary, CC BY-SA 4.0.