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

One of the most enthusiastic applauders was James Franco, who was on his feet as soon as the film ended and kept up his ovation till the very end. —Naman Ramachandran, Variety, 16 May 2026

Both posts drew enthusiastic reactions from like-minded readers. —Teresa Mull, FOXNews.com, 16 May 2026

The crowd was enthusiastic and somewhat glassy-eyed, and people lined up patiently to buy records and merchandise, and to get a chance to meet Rashad. —Kelefa Sanneh, New Yorker, 15 May 2026

Firebird Tours has also been an enthusiastic adopter of new technology and created a custom trip builder and travel app. —Nia Bowers, USA Today, 15 May 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

• anaplastic
• bioclastic
• fibroblastic
• hyperplastic
• hypoplastic
• inelastic
• lymphoblastic
• neoplastic
• orgiastic
• periphrastic
• predynastic
• pyroclastic

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