[noun, verb ek-spurt; adjective ek-spurt, ik-spurt]
a person who has special skill or knowledge in some particular field; specialist; authority: a language expert.
- the highest rating in rifle marksmanship, above that of marksman and sharpshooter.
- a person who has achieved such a rating.
possessing special skill or knowledge; trained by practice; skillful or skilled (often followed by in or at): an expert driver; to be expert at driving a car.
pertaining to, coming from, or characteristic of an expert: expert work; expert advice.
verb (used with object)
to act as an expert for.
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Learn to Expertly Talk About Split Infinitives
Sometimes infinitives need a little space. A split infinitive occurs when there’s an adverb between two parts of an infinitive. An infinitive consists of the word to and the simple form of a verb (e.g. to go and to read). “To suddenly go” and “to quickly read” are examples of split infinitives because the adverbs (suddenly and quickly) split (or break up) the infinitives to …
Origin of expert
1325–75; Middle English (adj.) < Latin expertus, past participle of experīrī to try, experience
Synonyms for expert
3. See skillful.
Antonyms for expert
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a person who has extensive skill or knowledge in a particular field
skilful or knowledgeable
of, involving, or done by an expertan expert job
Word Origin for expert
C14: from Latin expertus known by experience, from experīrī to test; see experience
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
late 14c., from Old French expert and directly from Latin expertus, past participle of experiri "to try, test" (see experience). The noun sense of "person wise through experience" existed 15c., reappeared 1825. Related: Expertly.
Online Etymology Dictionary, © 2010 Douglas Harper