Definition of expert in English:

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Pronunciation: /ˈekˌspərt/


A person who has a comprehensive and authoritative knowledge of or skill in a particular area: experts in child development a financial expert
More example sentences
  • The street was cordoned off and forensic experts combed the area and the club for evidence.
  • In every area of life the experts are ready to smooth our path and tell us what to believe.
  • He was widely regarded by colleagues as one of the leading experts in his field.
specialist, authority, pundit;
adept, maestro, virtuoso, master, past master, wizard;
connoisseur, aficionado
informal ace, buff, pro, techie, whiz, hotshot, maven, crackerjack


Having or involving authoritative knowledge: he had received expert academic advice he is expert at handling the media
More example sentences
  • As if he hadn't heard her, he continued to steer the car, maneuvering it with expert skill.
  • Many who do get jobs go into coaching and providing expert advice to elite sports athletes.
  • None of this is to deny the importance of forward planning based on expert knowledge.
skillful, skilled, adept, accomplished, talented, fine;
master, masterly, brilliant, virtuoso, magnificent, outstanding, great, exceptional, excellent, first-class, first-rate, superb;
proficient, good, able, capable, experienced, practiced, knowledgeable
informal ace, crack, mean



Pronunciation: /ˈekˌspərtnəs/
Example sentences
  • Newcomers to the field who regarded me with affection faced an additional deterrent to challenging my expertness: they feared hurting my feelings as well as earning my disapproval.
  • Be it knowledge or skills, the general counseling training and experience of the addictions counselor constitutes another source of expertness.
  • Civil-political rights and economic-social rights demand very different kinds of expertness and methodologies for research and missions and lobbying.


Middle English (as an adjective): from French, from Latin expertus, past participle of experiri 'try'. The noun use dates from the early 19th century Compare with experience and experiment.

For editors and proofreaders

Syllabification: ex·pert

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