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

Not everyone is enthusiastic about the new possibilities. —T. M. Brown, New Yorker, 25 Apr. 2026

Wagner is an enthusiastic supporter of a ballot initiative that would require voters to show ID at the polls and has attacked Weber for not backing the measure. —Ben Paviour, Sacbee.com, 25 Apr. 2026

The Pennsylvania Democrat has been an enthusiastic supporter of Operation Epic Fury, even as his party pins much of its hopes on a November blowout in the Midterms on harnessing popular discontent against the war. —Brady Knox, The Washington Examiner, 25 Apr. 2026

The vibrant purple and vivid oranges, reds, and yellows will bring in enthusiastic bees and butterflies. —Heather Bien, The Spruce, 24 Apr. 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