unfathomable

== English == === Etymology === From un- (prefix meaning ‘not’) +‎ fathom (“to measure the depth of (water); (figurative) to deeply understand (someone or something)”) +‎ -able (suffix forming adjectives denoting things not able or fit to be done). === Pronunciation === (Received Pronunciation) IPA(key): /(ˌ)ʌnˈfæðəməbl̩/, /ʌnˈfæðm̩əbl̩/ (General American) IPA(key): /ˌʌnˈfæð(ə)məb(ə)l/ Hyphenation: un‧fa‧thom‧a‧ble === Adjective === unfathomable (comparative more unfathomable, superlative most unfathomable) Impossible to fathom. Especially of depth: physically incapable of being measured; immeasurable. Synonyms: (archaic) abyssal, incalculable, inestimable, soundless, unplumbable, unsoundable Antonyms: calculable, estimable, fathomable, measurable, plumbable, soundable (figurative) Impossible to grasp the extent of, or to fully know or understand. Synonyms: bottomless, fathomless, impenetrable, unintelligible; see also Thesaurus:incomprehensible Antonyms: explicable, fathomable, intelligible, penetrable, understandable; see also Thesaurus:comprehensible ==== Derived terms ==== ==== Related terms ==== ==== Translations ==== ==== See also ==== === References ===