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Definition of knowledgeable

knowledgeable

/ˈnɑːlɪdʒəbəl/
knowl · edge · a · ble
Adverb:knowledgeably
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knowledgeable Lexical Profile

knowledgeable Game Scores & Validity

• adjective

1

Possessing or showing extensive information, understanding, or expertise, especially regarding a particular subject.

Example

"The museum guide was remarkably knowledgeable about the architectural history of the ancient temple."

Synonyms
View all synonyms for knowledgeable
Antonyms
View all antonyms for knowledgeable

Word Nuance & Usage

Commonly misspelled as 'knowledgable' by omitting the silent 'e' before the suffix; in standard English, the 'e' is retained to preserve the soft 'g' pronunciation of 'knowledge'.

• Rhymes for knowledgeable

• Nearby Words

knowing
knowingly
knowledge
knowledgeable
knowledgeably
knox
knoxville

Word Origin & Etymology

First recorded in the early 17th century, formed in English from the noun 'knowledge' (from Middle English 'knowleche', combining Old English 'cnāwan', meaning 'to know', with the nominal suffix '-lǣcan') plus the suffix '-able'.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Knowledgeable. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/knowledgeable
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