expert

noun
ex·​pert | \ ˈek-ˌspərt How to pronounce expert (audio) \

Definition of expert

 (Entry 1 of 3)

: one with the special skill or knowledge representing mastery of a particular subject

expert

adjective
ex·​pert | \ ˈek-ˌspərt How to pronounce expert (audio) , ik-ˈspərt How to pronounce expert (audio) \

Definition of expert (Entry 2 of 3)

1 : having, involving, or displaying special skill or knowledge derived from training or experience
2 obsolete : experienced

expert

verb
ex·​pert | \ ˈek-ˌspərt How to pronounce expert (audio) \
experted; experting; experts

Definition of expert (Entry 3 of 3)

intransitive verb

: to serve as an expert

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Other Words from expert

Adjective

expertly adverb
expertness noun

Choose the Right Synonym for expert

Adjective

proficient, adept, skilled, skillful, expert mean having great knowledge and experience in a trade or profession. proficient implies a thorough competence derived from training and practice. proficient in translating foreign languages adept implies special aptitude as well as proficiency. adept at doing long division skilled stresses mastery of technique. a skilled surgeon skillful implies individual dexterity in execution or performance. skillful drivers expert implies extraordinary proficiency and often connotes knowledge as well as technical skill. expert in the evaluation of wines

Examples of expert in a Sentence

Noun She was an acknowledged expert on child development. an expert at planning dinner parties Adjective We received some expert advice. The company has become expert at adapting its products for new clients.
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Recent Examples on the Web: Noun Doug Houseman, a grid-modernization expert at engineering-and-construction firm Burns & McDonnell, agreed. Andrew Stuttaford, National Review, "GameStop: Markets Adjust, Politicians Frown," 27 Feb. 2021 Inviting influencers to visit during the pandemic risks damaging a destination’s image, said Francisco Femenia-Serra, a tourism expert at Nebrija University in Madrid who studies influencer marketing. New York Times, "Influencers Find Welcome in Paradise, While the Rest of Us Watch From Lockdown," 27 Feb. 2021 Daniel Sneider is a Korea and Japan expert at Stanford who studies how battles over wartime memory affect international relations in Asia. Jeannie Suk Gersen, The New Yorker, "Seeking the True Story of the Comfort Women," 26 Feb. 2021 That happens because the program doesn’t really know the meaning of the sentences, says Chad DeChant, an AI expert at Columbia University. Sofia Moutinho, Science | AAAS, "Kinky and absurd: The first AI-written play isn’t Shakespeare—but it has its moments," 26 Feb. 2021 Another panel member, Dr. Paul Offit, a vaccine expert at the Children's Hospital of Philadelphia, suggested a two-dose vaccine might become a messaging challenge. NBC News, "FDA advisers recommend J&J vaccine for emergency authorization," 26 Feb. 2021 There are up to 800 overseas U.S. military bases, according to data from the Pentagon and David Vine, an expert at American University. USA Today, "Exclusive: US counterterrorism operations touched 85 countries in the last 3 years alone," 25 Feb. 2021 Emily Grubert, an energy infrastructure expert at Georgia Tech, posed the question last weekend on Twitter. Gregory Barber, Wired, "When the Grid Goes Down, Can a Fleet of Batteries Replace It?," 24 Feb. 2021 Stephanie Brinley, an industry expert at IHS Markit, said a larger selection of EVs at affordable prices will help change Americans' attitudes on emissions-free vehicles. Morgan Korn, ABC News, "Why 2021 is shaping up to be a pivotal year for electric vehicles," 21 Feb. 2021 Recent Examples on the Web: Adjective Subscribe to The Ledger for expert weekly analysis on fintech’s big stories, delivered free to your inbox. Eric Lam, Fortune, "Bitcoin is on track for its worst weekly drop in nearly a year," 26 Feb. 2021 One of our initiatives this year is to provide expert-level content for our customers. Expert Panel®, Forbes, "How The Right Content Can Generate Brand Loyalty: 15 Valuable Tips," 26 Feb. 2021 Immigration agents are expert at swiftly deporting single adults from the border. Washington Post, "Biden squeezed on immigration policy, bracing for border crisis," 25 Feb. 2021 Immigration agents are expert at swiftly deporting single adults from the border. Author: Maria Sacchetti, Nick Miroff, Anchorage Daily News, "Squeezed on immigration, Biden braces for border crisis," 25 Feb. 2021 Warhol, who was so expert at appropriation that the quote is often attributed to him, proved McLuhan right. New York Times, "A Coming-Out Party for KAWS at the Brooklyn Museum," 24 Feb. 2021 Tom, the expert welder, kept the old evaporator limping along for years. Heather E. Goodman, The Christian Science Monitor, "‘We ring in the spring together’: Sharing the secrets of maple sugaring," 22 Feb. 2021 If the Shift is a freeride hybrid that sacrifices some small amount of downhill performance for climbing efficiency, then the Duke PT is one that sacrifices touring efficiencies for expert-level charging. Marc Peruzzi, Outside Online, "Marker’s New Touring Binding Does (Almost) Everything," 22 Feb. 2021 The team has access to expert providers in advanced specialties such as cardiology, neurology and orthopedics. Star Tribune, "Urgent care or emergency room? How to decide which to use," 19 Feb. 2021 Recent Examples on the Web: Verb The uphill routes at Mammoth are generally on blue and green (easy and intermediate) runs, but skiers can descend on black diamond or double black diamond (difficult to expert) slopes, depending on their ability. Brian E. Clark, Los Angeles Times, "If you thought 2020 was backward, wait till you see uphill skiing," 11 Dec. 2020 According to expert analysis, video testimony and official statements, the graves were dug to accommodate the rising number of virus victims in Qom. Erin Cunningham, Anchorage Daily News, "Iran’s coronavirus burial pits are so vast they’re visible from space," 12 Mar. 2020 Trade law experts state that after the department provides a 232 report to the White House, the president has 90 days to act, with a possible additional 180 days to negotiate with stakeholders. Sean Higgins, Washington Examiner, "Trump auto tariff threat at risk of being undone by a technicality," 29 Jan. 2020 Lucy Jones, the scientist who has been the go-to expert for Southern Californians for decades when the earth moves, did not. latimes.com, "Today: Trump’s Envoy of Discord in Israel," 9 July 2019 Rooke's comments are in line with what royals expert Katie Nicholl told Glamour earlier this month. Glamour, "Why We Probably Won't See Photos of Meghan Markle's Baby After She Gives Birth," 10 Apr. 2019 This event is intended for intermediate to expert skiers/snowboarders ages 8-18 who identify as female. idahostatesman, "A guided hike at Squaw Butte among upcoming outdoors events | Idaho Statesman," 26 Mar. 2018 Vogue asked relationship expert Jordan Gray for some tips on how to do the impossible: be friends with your ex. Elise Taylor, Vogue, "If Selena and Justin Can Do It, So Can You: How to Be Friends With Your Ex," 26 Oct. 2017 Strolling in the adjacent deer park will complete the literary fantasy, as will expert unobtrusive service. Condé Nast Traveler, "Summer Lodge Country House Hotel and Spa," 20 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'expert.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of expert

Noun

1535, in the meaning defined above

Adjective

14th century, in the meaning defined at sense 2

Verb

circa 1889, in the meaning defined above

History and Etymology for expert

Noun

borrowed from French, going back to Middle French, derivative of expert expert entry 2

Adjective

Middle English, borrowed from Anglo-French, borrowed from Latin expertus "tested, shown to be true," from past participle of experīrī "to put to the test, attempt, have experience of, undergo" — more at experience entry 1

Verb

derivative of expert entry 1

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Time Traveler for expert

Time Traveler

The first known use of expert was in the 14th century

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Statistics for expert

Last Updated

3 Mar 2021

Cite this Entry

“Expert.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expert. Accessed 7 Mar. 2021.

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More Definitions for expert

expert

noun

English Language Learners Definition of expert

 (Entry 1 of 2)

: a person who has special skill or knowledge relating to a particular subject

expert

adjective

English Language Learners Definition of expert (Entry 2 of 2)

: having or showing special skill or knowledge because of what you have been taught or what you have experienced

expert

adjective
ex·​pert | \ ˈek-ˌspərt How to pronounce expert (audio) , ik-ˈspərt \

Kids Definition of expert

 (Entry 1 of 2)

: showing special skill or knowledge gained from experience or training expert advice an expert salesperson

Other Words from expert

expertly adverb

expert

noun
ex·​pert | \ ˈek-ˌspərt How to pronounce expert (audio) \

Kids Definition of expert (Entry 2 of 2)

: a person with special skill or knowledge of a subject

expert

noun
ex·​pert

Legal Definition of expert

: a person with special or superior skill or knowledge in a particular area — see also expert witness at witness

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Comments on expert

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