expert
Americannoun
-
a person who has special skill or knowledge in some particular field; specialist; authority.
a language expert.
- Synonyms:
- master, connoisseur
-
Military.
-
the highest rating in rifle marksmanship, above that of marksman and sharpshooter.
-
a person who has achieved such a rating.
-
adjective
-
possessing special skill or knowledge; trained by practice; skillful or skilled (often followed by in orat ).
an expert driver;
to be expert at driving a car.
- Synonyms:
- dexterous, proficient, experienced
- Antonyms:
- unskillful
-
pertaining to, coming from, or characteristic of an expert.
expert work;
expert advice.
verb (used with object)
noun
adjective
-
skilful or knowledgeable
-
of, involving, or done by an expert
an expert job
Related Words
See skillful.
Other Word Forms
- expertly adverb
- expertness noun
- nonexpert noun
- proexpert adjective
- unexpert adjective
Etymology
Origin of expert
First recorded in 1325–75; Middle English, from Latin expertus “tried,” past participle of experīrī “to try”; experience
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The new process essentially compresses the time between a registration statement becoming public and the eventual IPO, according to accounting expert Robert Willens.
From Barron's • Mar. 31, 2026
Suzanne Maloney, an Iran expert and vice president at the Brookings Institution in Washington, called ending military operations before the strait is open “unbelievably irresponsible.”
From The Wall Street Journal • Mar. 31, 2026
They are typically pricey because of their complexity and small production volumes, said Ralph Savelsberg, a missile expert at the Netherlands Defence Academy, a research and training institute of the Netherlands defense ministry.
From The Wall Street Journal • Mar. 30, 2026
The president’s rapport with Latinos reflects a deep dissatisfaction with economic conditions, according to Mike Madrid, a veteran California Republican political consultant and expert on Latino voting trends.
From Los Angeles Times • Mar. 29, 2026
I was almost a thirteen-year-old, but he thought I was a shark expert.
From "The Line Tender" by Kate Allen
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
