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

First, a few enthusiastic teams shipped generative AI and agentic AI features fast and superficially, creating real second-order risk—which is why the AI productivity function exists today. — Ankur Pal, Forbes.com, 2 Sep. 2026

The moody Moon squares enthusiastic Jupiter early this morning, tempting us to spend too much, promise too much, or turn one feeling into a full production. — Tarot.com, Baltimore Sun, 2 Sep. 2026

O’Connell is boyish, enthusiastic, both worried and excited about the opportunity he’s been given. — Bilge Ebiri, Vulture, 2 Sep. 2026

Boyle, O’Connell, Pearce and Foy all also received enthusiastic welcomes this morning during their official press conference. — Nada Aboul Kheir, Deadline, 2 Sep. 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