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The word enthusiasm comes from a Greek root meaning what?

enthusiasm

American  
[en-thoo-zee-az-uhm] / ɛnˈθu ziˌæz əm /

noun

  • enthusiasm
    plural
  1. An image of the word enthusiasm as defined by absorbing or controlling possession of the mind by any interest or pursuit; lively interest.

    absorbing or controlling possession of the mind by any interest or pursuit; lively interest.

    He shows marked enthusiasm for his studies.

    Synonyms:
    devotion, passion, ardor, zeal, fervor, warmth, eagerness
    Antonyms:
    indifference
  2. an occupation, activity, or pursuit in which such interest is shown.

    Hunting is his latest enthusiasm.

  3. any of various forms of extreme religious devotion, usually associated with intense emotionalism and a break with orthodoxy.


enthusiasm British  
/ ɪnˈθjuːzɪˌæzəm /

noun

  1. ardent and lively interest or eagerness

  2. an object of keen interest; passion

  3. archaic extravagant or unbalanced religious fervour

  4. obsolete possession or inspiration by a god

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Derived Forms

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Nouns

Etymology

Origin of enthusiasm

First recorded in 1570–80; from Late Latin enthūsiasmus, from Greek enthousiasmós, from enthousí(a) “possession by a god” ( énthous, variant of éntheos “having a god within,” from en- en- 2 + -thous, -theos “possessed by a god” + -ia -y 3 ( def. ) ) + -asmos, variant (after vowel stems) of -ismos -ism; cf. theism ( def. )

Explanation

You might show enthusiasm if you find out that all the shoes are on sale for 70 percent off today. The word enthusiasm indicates intense excitement. The noun enthusiasm comes from the Greek word enthousiasmos, from enthous, meaning “possessed by a god, inspired.” It was originally used in a derogatory sense to describe excessive religious zeal. Today both the religious and derogatory connotations are gone from enthusiasm, but the zeal has survived. Use it to describe great excitement or interest, like what you feel when you’re doing something that you really, really enjoy.

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Vocabulary lists containing enthusiasm

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.

See Examples For:

Maher said there has been "quite a bit of activity" in state legislatures to approve and reauthorise other methods of execution since Trump began expressing enthusiasm for the death penalty.

From BBC ● Oct. 12, 2026

It raised $475 million, three months after its Series A, the latest sign of growing investor enthusiasm in the nascent technology.

From The Wall Street Journal ● Oct. 8, 2026

Quantum computing startup Oratomic raised $475 million, just three months after its Series A, the latest sign of growing investor enthusiasm in the nascent technology.

From The Wall Street Journal ● Oct. 8, 2026

Counsel to the inquiry Teniola Onabanjo asked Harry if NHS England recognised that the enthusiasm for innovation might "outpace" the scrutiny of consent and ethics when it comes to camera technology.

From BBC ● Oct. 6, 2026

“We have a lovely view of the fens from the hilltop,” Orwen put in with such enthusiasm that her necklace bounced and rattled.

From "The Black Cauldron" by Lloyd Alexander

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