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Definition of expert

expert

/ˈɛk.spɜːrt/
ex · pert
Adverb:expertly
•
Plural:experts
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expert Lexical Profile

expert Game Scores & Validity

• noun

1

A person who has comprehensive and authoritative knowledge of or skill in a particular area.

Example

"The museum consulted an art history expert to verify the authenticity of the newly discovered painting."

Synonyms
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Antonyms
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• adjective

1

Having, involving, or demonstrating great skill, proficiency, or specialized knowledge derived from training or experience.

Example

"The antique clock was restored to working order by an expert watchmaker."

Synonyms
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Antonyms
View all antonyms for expert

• Rhymes for expert

• Nearby Words

experimentally
experimentation
experimenter
expert
expertise
expertly
expertness

Word Origin & Etymology

Borrowed in the late 14th century from Old French expert, from Latin expertus ('tried, proved, known by experience'), the past participle of experiri ('to try, test'). It shares the same Proto-Indo-European root *per- ('to try, risk') as experience, experiment, and peril.

Cite this Entry

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