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Definition of knowable
knowable
/ˈnoʊ.ə.bəl/
know · a · ble
Adverb:knowably
knowable Lexical Profile
CEFR
C1
Grade
9
Tier
2
Usage
Top 10k
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Scrabble US
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WWF
Wordle Guess
• adjective
1
Capable of being known, understood, ascertained, or apprehended through observation, inquiry, or reason.
Example
"Philosophers have long debated whether the ultimate nature of reality is fully knowable by the human mind."
Synonyms
View all synonyms for knowable Antonyms
View all antonyms for knowable• Rhymes for knowable
Word Origin & Etymology
Formed in Middle English in the late 14th century from the verb 'know' and the suffix '-able', meaning capable of being known or understood.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Knowable. In Wordmom Dictionary. Retrieved Nov 4, 2026, from https://wordmom.com/dictionary/knowable