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 The Colonial hack shouldn’t surprise anyone, said Bruce Schneier, a cybersecurity expert and lecturer at Harvard University’s Kennedy School of Government. Del Quentin Wilber Staff Writer, Los Angeles Times, "What does U.S. fuel pipeline shutdown reveal about the dangers of cyber ransoms?," 11 May 2021 Chris Schildt, a senior policy expert at Policy Link, pointed out that the 2008 mortgage crisis hit East Oakland homeowners especially hard. Susie Neilson, San Francisco Chronicle, "What it's like to live in the hottest real estate neighborhood in the Bay Area," 6 May 2021 Factors like genetics, weight fluctuations, hormonal changes, pregnancy, and smoking can also impact when and how much breasts sag, Sabrina Sahni, MD, a family medicine physician and women's health expert at the Mayo Clinic, tells Health. Colleen Murphy, Health.com, "I’ve Been Pretty Much Braless for Over a Year. What Effect Is That Having on My Body? Here’s What Experts Say," 6 May 2021 Immunologist Jorge Kalil, a vaccine expert at the Federal University of São Paulo, São Paulo, and member of the Data and Safety Monitoring Board at the U.S. National Institutes of Health, disagrees with Anvisa’s interpretation. Meredith Wadman, Science | AAAS, "Is Russia’s COVID-19 vaccine safe? Brazil’s veto of Sputnik V sparks lawsuit threat and confusion," 30 Apr. 2021 Ideally, indoor fitness spaces should have a high turnover of air, said Linsey Marr, an aerosol expert at Virginia Tech who studies the airborne transmission of viruses. Washington Post, "Vaccinated and ready to hit the gym? Here’s how to assess the risks.," 28 Apr. 2021 Ideally, indoor fitness spaces should have a high turnover of air, said Linsey Marr, an aerosol expert at Virginia Tech who studies the airborne transmission of viruses. Allyson Chiu, Anchorage Daily News, "Vaccinated and ready to hit the gym? Here’s how to assess the risks.," 28 Apr. 2021 McCabe, an environmental law and policy expert at Indiana University's McKinney School of Law in Indianapolis, previously worked at the EPA under former President Barack Obama with a focus on air quality. Sarah Bowman, The Indianapolis Star, "U.S. Senate confirms Hoosier Janet McCabe to be Deputy Administrator in Biden's EPA," 27 Apr. 2021 Some states were incredibly close: New York was just 89 people short of keeping its seat, an expert at the Census Bureau said. New York Times, "U.S. Population Over Last Decade Grew at Slowest Rate Since 1930s," 26 Apr. 2021 Recent Examples on the Web: Adjective The opinions expressed in this article are not intended to replace any professional or expert accounting and/or tax advice whatsoever. Melissa Houston, Forbes, "Building A Business To Keep Others Safe," 6 May 2021 Indeed, there would be no Bravo without Housewives and there would be no Housewives without Andy Cohen, the franchise’s expert casting curator. Ilana Kaplan, Town & Country, "What Is Life Like After The Real Housewives?," 5 May 2021 As a non-expert who mainly uses mats for lazily stretching between episodes of romantic Korean dramas, there’s something soothing about a cork surface. Arden Fanning Andrews, Vogue, "Models, Athletes, and Yogis Instruct on the Art of Selecting a Yoga Mat," 3 May 2021 Even expert users who host several clubs usually have a few of their friends or colleagues as moderators for one discussion. Julie Charnet, Wired, "Everything You Need to Know Before You Join Clubhouse," 3 May 2021 Meanwhile, despite expert concerns, the devices continue to pop up in classrooms and school nurses' offices across the state, said Allen Barkkume, an industrial hygienist for the New Jersey teachers union. Lauren Weber And Christina Jewett, CNN, "Schools spending millions on air purifiers often sold using overblown claims," 3 May 2021 At the ceremony, 148 paratroopers pinned an expert badge to their uniforms — about 23% of the soldiers who tested this year. Marc Lester, Anchorage Daily News, "Paratroopers face dozens of physical and skill tests on JBER with hopes of being pinned an ‘expert’," 2 May 2021 There will be several expert witnesses on each side. Washington Post, "Apple vs. Epic Games: What you need to know," 30 Apr. 2021 The speaker has proven to be a skilled legislator with an iron grip on the Democratic caucus and a reputation as an expert vote-counter. Ed O'keefe, Rebecca Kaplan, CBS News, "It's Biden's speech, but Kamala Harris and Nancy Pelosi also made history," 29 Apr. 2021 Recent Examples on the Web: Verb Support staff retention and satisfaction by equipping their clinicians with easy-to-use technology that connects them to expert resources when needed and delivers insights at their fingertips. Seth Joseph, Forbes, "That’s Just The Way It Is? Why Home Health Complexities Make Case For Investment, Not Demonization," 9 Mar. 2021 Ted Waters, a managing partner at Feldesman Tucker Leifer Fidell, said courts generally defer to expert federal agency interpretation on use of funds unless there’s a clear conflict. Rachel Cohrs, STAT, "The Trump administration quietly spent billions in hospital funds on Operation Warp Speed," 5 Mar. 2021 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

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

14 May 2021

Cite this Entry

“Expert.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expert. Accessed 17 May. 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

Comments on expert

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