enthusiastic

adjective

en·​thu·​si·​as·​tic in-ˌthü-zē-ˈa-stik 

en-

also -ˌthyü-

: filled with or marked by enthusiasm

enthusiastic supporters

an enthusiastic recommendation

enthusiastically

in-ˌthü-zē-ˈa-sti-k(ə-)lē 

en-

also -ˌthyü-

adverb

Synonyms of enthusiastic

• excited
• avid
• eager
• ardent
• anxious
• keen

Examples of enthusiastic in a Sentence

They were enthusiastic supporters of the president.

I'm not wildly enthusiastic about your latest idea.

She received an enthusiastic welcome.

Recent Examples on the Web

Officers and family members described Snook, a University of Maryland alumnus, as an ideal trooper, a natural leader, and an enthusiastic trainer of the next generation of officers. —Dan Snyder, CBS News, 6 Jan. 2026

Trump was no less enthusiastic. —Peter Kornbluh, Washington Post, 5 Jan. 2026

She is now engaged to Brian Glenn, a correspondent for the far-right Real America’s Voice TV network, who is, like her, an enthusiastic consumer of raw milk. —Charles Bethea, New Yorker, 5 Jan. 2026

In practice, this means keeping rules and requirements to a minimum while our enthusiastic coaches organize engaging and welcoming activities and games for children of all abilities and ages. —Jordan Brackett, New York Daily News, 4 Jan. 2026

Word History

Etymology

borrowed from New Latin & Greek; New Latin enthūsiasticus, borrowed from Greek enthousiastikós "inspired, excited," from enthousiastḗs "person inspired by a god" + -ikos -ic entry 1 — more at enthusiast

First Known Use

1603, in the meaning defined above

Rhymes for enthusiastic

• aeroelastic
• ecclesiastic
• elastoplastic
• iconoclastic
• interscholastic
• megaloblastic
• osteoblastic
• photoelastic
• thermoelastic
• viscoelastic
• anaplastic
• bioclastic

Kids Definition

enthusiastic

adjective

en·​thu·​si·​as·​tic in-ˌth(y)ü-zē-ˈas-tik 

: filled with or marked by enthusiasm

an enthusiastic welcome

enthusiastically

-ti-k(ə-)lē 

adverb