Definitions

enthusiastic

[en-thoo-zee-as-tik] / ɛnˌθu ziˈæs tɪk /

ADJECTIVE

interested, excited

Synonyms

STRONGEST

anxious ardent avid concerned eager earnest exuberant fanatical fervent forceful keen passionate pleased rabid rhapsodic vigorous warm willing zealous

WEAK

agog animated athirst attracted bugged crazy about devoted dying to ebullient exhilarated fascinated fervid gaga gone on gung-ho hearty hog-wild intent lively nutty obsessed red-hot spirited tantalized thrilled titillated unqualified vehement wacky wholehearted

Antonyms

STRONGEST

apathetic cold cool disinterested dispassionate dull frigid happy impotent indifferent lethargic uncaring unconcerned unenthusiastic unexcited uninterested unpassionate unwilling unworried weak

WEAK

doubting pessimistic weary

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Enthusiastic astronomer" Nazish was out moon spotting with her three nieces and nephews and said she wanted to pass on the skill.

From BBC • Mar. 20, 2026

Enthusiastic citizen firefly advocates have helped scientists and academics access information relating to changing firefly mating seasons and local firefly population estimates.

From Salon • Sep. 21, 2023

Enthusiastic: Although I think most grandparents already have everything they need — namely love and patience in abundance — I think this is a great idea!

From Washington Post • Feb. 14, 2023

Enthusiastic outbursts such as Tuesday’s have once again become commonplace.

From Los Angeles Times • May 17, 2022

Enthusiastic about the warming weather, Commander Kane sent seven ailing crew members out to explore and hunt for fresh meat.

From "American Spirits" by Barb Rosenstock

Vocabulary lists containing enthusiastic

The SAT: Words to Capture Tone, List 2

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

The New SAT: Words to Capture Tone

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Words to Describe Yourself on a Resume

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!