- a person who has special skill or knowledge in some particular field; specialist; authority: a language expert.
- the highest rating in rifle marksmanship, above that of marksman and sharpshooter.
- 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.
- to act as an expert for.
Origin of expert
SynonymsSee more synonyms for expert on Thesaurus.com
Examples from the Web for expertness
Not a few of these stress his expertness as waiter in student dining-rooms.Herbert Hoover
In addition, he made much of his expertness in the distilling of water.Medicine in Virginia, 1607-1699
Thomas P. Hughes
Their expertness in this 'accomplishment' is often remarkable.
By this arrangement you will reach your saddle with comfort and expertness.Riding for Ladies
Mrs. Power O'Donoghue
And I always remembered his expertness in opening a way, for we were soon on hand.Forty Years Among the Indians
Daniel W. Jones
- a person who has extensive skill or knowledge in a particular field
- skilful or knowledgeable
- of, involving, or done by an expertan expert job
Word Origin and History for expertness
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.