expertise

noun

ex·​per·​tise ˌek-(ˌ)spər-ˈtēz  -ˈtēs 

1

: the skill of an expert

2

: expert opinion or commentary

Synonyms of expertise

• skills
• experience
• proficiency

Examples of expertise in a Sentence

While the declared nuclear powers have wobbled in their commitment to get rid of their arsenals, the rise of a global black market in nuclear expertise and materials has made the Bomb more attainable for everyone else. —Michael Elliott, Time, 1 Aug. 2005

The English magazine The Spectator employs me as "Dear Mary," a so-called agony aunt, in which capacity I have over the years gained considerable expertise in various areas of etiquette … —Mary Killen, Atlantic, May 2001

Can anyone out there drive a bloody automobile? By driving I do not mean simply guiding a two-ton lump of steel and plastic along a smooth stretch of macadam, but actually steering, braking, and shifting the thing with a modicum of competence, if not outright expertise. —Brock Yates, Car & Driver, October 2001

If a company that spends millions of dollars a year on a fancy advertising campaign to brag about its Web design expertise can't steer a motivated buyer like me to a Buy Now button in less than 30 minutes, then what hope is there for smaller, less experienced retail sites? —Michelle Slatalla, New York Times, 8 Mar. 2001

His expertise on defense will help the team.

her expertise in legal matters

Recent Examples on the Web

The team can support field-level maintenance when local crews need additional expertise. — Aamir Khollam, Interesting Engineering, 5 Sep. 2026

The affiliation will unify operations and allow sharing of best practices and expertise, according to a release from both operations on Friday. — John Magsam, Arkansas Online, 4 Sep. 2026

Several regional countries described access to information and technology as one of the benefits of backing Kyiv, but that expertise may now be shared with US firms instead. — Jeronimo Gonzalez, semafor.com, 3 Sep. 2026

Every solution is designed to augment human expertise rather than replace it, ensuring AI strengthens decision-making while maintaining accountability, transparency, and trust. — Lyssanoel Frater, USA Today, 3 Sep. 2026

Word History

Etymology

borrowed from French, going back to Middle French, from espert, expert expert entry 2 + -ise -ice

First Known Use

1868, in the meaning defined at sense 2

Phrases Containing expertise

• area of expertise

Rhymes for expertise

• abcs
• absentees
• addressees
• adoptees
• allottees
• amputees
• antifreeze
• appellees
• appointees
• arrestees
• artistes
• assamese

Kids Definition

expertise

noun

ex·​per·​tise ˌek-(ˌ)spər-ˈtēz  -ˈtēs 

: the skill of an expert