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

Many leaders are rightly enthusiastic about how AI can help reduce burnout, eliminate drudgery and free people up for more meaningful work. — Carrie Varoquiers, Forbes.com, 2 July 2026

Huerta, who spoke at the Texas Democratic Convention over the weekend, was enthusiastic about Democrats' uphill battle to win their first statewide races in the Lone Star State in decades. — Caroline Linton, CBS News, 1 July 2026

Miller hadn’t been enthusiastic about coming aboard Eagle for the summer. — Karissa Waddick, USA Today, 1 July 2026

The decision has divided teachers, parents and community members who showed up in droves at last week’s meeting to voice their concerns or enthusiastic support, according to reporting from CNN. — Lauren Costantino, Miami Herald, 1 July 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