Definition of expert
(Entry 1 of 3)
: one with the special skill or knowledge representing mastery of a particular subject
expert
adjectiveDefinition of expert (Entry 2 of 3)
1
: having, involving, or displaying special skill or knowledge derived from training or experience
expert
verb
experted; experting; experts
Definition of expert (Entry 3 of 3)
: to serve as an expert
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Merriam-Webster unabridged
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Time Traveler for expert
The first known use of expert was in the 14th century
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