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

• 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

The opposition leader maintains close ties with Secretary of State Marco Rubio, one of the most enthusiastic proponents in the Cabinet of this particular naval buildup. —Gisela Salim-Peyer, The Atlantic, 12 Sep. 2025

In the same piece from Heyman, Phillies president of baseball operations David Dombrowski gave an even more enthusiastic quote about a potential Schwarber reunion. —Jackson Roberts, MSNBC Newsweek, 12 Sep. 2025

Rutledge referred to Kirk's reputation as an enthusiastic debater and turning those debates into viral social media content. —Ella McCarthy, Arkansas Online, 10 Sep. 2025

During the 2016 Republican National Convention, Kirk spoke to an enthusiastic crowd as one of the youngest speakers. —Meredith Deliso, ABC News, 10 Sep. 2025

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