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[n., v. ek-spurt; adj. ek-spurt, ik-spurt] /n., v. ˈɛk spɜrt; adj. ˈɛk spɜrt, ɪkˈspɜrt/
a person who has special skill or knowledge in some particular field; specialist; authority:
a language expert.
  1. the highest rating in rifle marksmanship, above that of marksman and sharpshooter.
  2. 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.
1325-75; Middle English (adj.) < Latin expertus, past participle of experīrī to try, experience
Related forms
expertly, adverb
expertness, noun
nonexpert, noun, adjective
proexpert, adjective
unexpert, adjective
1. connoisseur, master. 3. experienced, proficient, dexterous. See skillful.
3. unskillful. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for experts
  • Parents ignore the advice of doctors and experts and refuse to vaccinate their children against deadly diseases.
  • Bring your family to learn about astronomy from the experts.
  • experts feared the cracked walls of the sanctuary could collapse, destroying its historic murals.
  • Most economists and efficiency experts, after studying modern energy use, have come to similar conclusions.
  • experts on terrorism have produced shelves' worth of new works on this question.
  • Error experts believe that it's the process, not the individuals in it, which requires correction.
  • The experts they called in explained the basic principles of effective community policing.
  • Thanks to this increased use, experts say, reserves of phosphorus are now being exhausted.
  • And you have some banking experts who can, perhaps, claim to be among the few economists that warned us about this crisis.
  • At first, some intelligence experts were uneasy about drone attacks.
British Dictionary definitions for experts


a person who has extensive skill or knowledge in a particular field
skilful or knowledgeable
of, involving, or done by an expert: an expert job
Derived Forms
expertly, adverb
expertness, noun
Word Origin
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
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Word Origin and History for experts



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
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