expert

1 of 3

noun

ex·​pert ˈek-ˌspərt How to pronounce expert (audio)
: one with the special skill or knowledge representing mastery of a particular subject

expert

2 of 3

adjective

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

expert

3 of 3

verb

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

intransitive verb

: to serve as an expert
Choose the Right Synonym for expert

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.
Recent Examples on the Web
Noun
More than 50 bonsai of various species will be on display and there will be demonstrations by bonsai experts along with sales tables featuring hundreds of trees, pots and a variety of other bonsai merchandise. Linda McIntosh, San Diego Union-Tribune, 20 Apr. 2024 After the museum reopened in 1946, top experts began the painstaking process of reorganizing and displaying the formidable collection. David Unsworth, Fox News, 20 Apr. 2024 The benefits of delta-8 THC are being investigated by medical experts. John Tufts, The Indianapolis Star, 20 Apr. 2024 The Connect Bay Area Act offers the opportunity to improve this by establishing a dedicated body within MTC of expert appointees to lead regional transit policymaking. Ian Griffiths, The Mercury News, 20 Apr. 2024 In contrast, some security experts have sounded the alarm on the potential for the situation to worsen, despite signs both sides may have pulled their punches. Jason Ma, Fortune, 20 Apr. 2024 Folwell said the purpose of launching this early is to start an awareness campaign and to raise funds that would be used to consult legal experts in forming the ballot language, as well as legal fees for anticipated battles with the Attorney General Raúl Labrador’s office. Kelcie Moseley-Morris, Idaho Statesman, 19 Apr. 2024 What do expert say could happen with bitcoin's price after the next halving? Aimee Picchi, CBS News, 19 Apr. 2024 Astronomers and other experts instead emphasize that skygazers intent on viewing the upcoming total solar eclipse do so with specialized eyewear crafted to protect their sensitive retinas from permanent damage. Eric Lagatta, USA TODAY, 8 Apr. 2024
Adjective
Hemp Source Colorado Botanicals sources its extract from expert hemp growers in Colorado. Amber Smith, Discover Magazine, 3 Apr. 2024 The blessing is that Buckley, Colman, Spall and Vasan are expert enough that dimensional character work still peeks through the vibe of cookie-cutter idiosyncrasy. Robert Abele, Los Angeles Times, 30 Mar. 2024 Detroit Free Press Learn tips and tricks for getting the best photos of the April 8 total eclipse of the sun from some expert photographers. Jennifer Dixon, Detroit Free Press, 22 Mar. 2024 Nominated by an expert librarian panel and voted on more by than 1,700 librarians worldwide, the winners are all new books that were published in 2023 and are representative of a variety of genres, from fiction to young adult to cookbook to science fiction. Sarah Yang, Sunset Magazine, 13 Mar. 2024 These creations come from an expert team of bakers who have danced between French, Japanese, Scandinavian, and American flavors and techniques since opening this bakery in 2021. The Bon Appétit Staff & Contributors, Bon Appétit, 13 Mar. 2024 Bibi, who spent his youth in Dakar, worked with African weavers to produce a couch that is free from any nostalgia, just celebrating the tremendous potential that can come from a true mind- and hand-meld with expert local artisans. Evan Moffitt, New York Times, 28 Mar. 2024 Keep scrolling Here's expert advice for your first solo trip. USA TODAY, 13 Mar. 2024 But thanks to the expert detail work—those gloves!—this piece from the spring 2024 couture collection would bring a bit of (very welcome) pizzazz. Hannah Jackson, Vogue, 7 Mar. 2024
Verb
Rent a cabin for the weekend or try the off-road mountain bike trails, graded from beginner to expert. Miami Staff, Miami Herald, 30 Jan. 2024 Sew for Love is a group of sewers from the South Bay community–ranging in skill from beginner to expert–who sew a variety of projects that are then donated to people in the community who need them. Shae Hammond, The Mercury News, 12 Jan. 2024 Showgoers can look forward to expert bonsai demonstrations, as well as a sale featuring hundreds of trees, plants, pots and other bonsai merchandise offered by SDBC members. San Diego Union-Tribune, 23 Apr. 2023 Meanwhile, Los Angeles County area residents can expert unusually warm temperatures on Thursday along the coast and valleys before dipping again over the weekend. Andrew J. Campastaff Writer, Los Angeles Times, 9 Feb. 2023 According to the Louisville National Weather Service, a heat wave that began in earnest Monday afternoon is the result of dry southern winds descending on the area, and residents should expert temperatures between 90 and 100 throughout the coming weeks. Thomas Birmingham, The Courier-Journal, 13 June 2022 Toby Grey contributes as a How To expert for BGR. Toby Grey, BGR, 24 May 2022 Medium-impact activities are somewhere in between, such as more intense cycling, intermediate to expert hikes and elliptical training, to name a few. Nicola Fumo, The Hollywood Reporter, 20 Jan. 2023 Rather than a full head of highlights distributed uniformly through the hair, French women prefer to get their hair colored with a more freestyle (but still expert) touch. Hannah Coates, Vogue, 3 Jan. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'expert.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

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

First Known Use

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

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

Dictionary Entries Near expert

Cite this Entry

“Expert.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expert. Accessed 23 Apr. 2024.

Kids Definition

expert

1 of 2 adjective
: showing special skill or knowledge gained from training or experience
expert advice
expertly adverb
expertness noun

expert

2 of 2 noun
ex·​pert ˈek-ˌspərt How to pronounce expert (audio)
: a person with special skill in or knowledge of a subject

Legal Definition

expert

noun
ex·​pert
: a person with special or superior skill or knowledge in a particular area see also expert witness at witness

More from Merriam-Webster on expert

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