Thesaurus.com
Dictionary.com
Definitions

expert

[ek-spurt, ek-spurt, ik-spurt] / ˈɛk spɜrt, ˈɛk spɜrt, ɪkˈspɜrt /
ADJECTIVE
knowledgeable, proficient
Synonyms
STRONGEST
adept adroit deft experienced skilled skillful trained
STRONG
crack crackerjack handy professional savvy sharp slick virtuoso
WEAK
able apt big-league clever dexterous facile practiced proficient qualified schooled
Antonyms
STRONGEST
awkward clumsy green ignorant inept inexperienced unskilled unskillful
STRONG
stupid unintelligent
WEAK
amateur inexpert unknowledgeable untrained
NOUN
master, specialist
Synonyms
STRONGEST
artist authority professional
STRONG
ace adept artiste buff connoisseur doyen graduate guru phenomenon pro shark virtuoso whiz wizard
WEAK
hot shot old hand old pro war-horse
Antonyms
STRONG
amateur ignoramus rookie
WEAK
apprentice novice

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 whole nine yards,” said Fix, an automotive expert who runs the site Car Coach Reports.

From MarketWatch • Apr. 10, 2026

In 2024, an HBO documentary named Canadian crypto expert Peter Todd as Satoshi.

From BBC • Apr. 8, 2026

Buffett stepped down as CEO of Berkshire at the end of last year, but he is still a go-to expert for people looking to build wealth.

From Barron's • Apr. 8, 2026

Dr. Amesh Adalja, an infectious disease expert and senior scholar at Johns Hopkins Center for Health Security, told Salon he is not hopeful the outbreaks can be contained at this point.

From Salon • Apr. 8, 2026

“No, sir,” answered Sydney Graybeal, a CIA missile expert.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin