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Definitions

enthusiasm

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


Frequently Asked Questions

What is another word for enthusiasm?
Enthusiasm is lively interest or eagerness. Similar words are keenness and avidity, but their adjective forms are much more common: keen and avid (which are both synonyms for the adjective enthusiastic). To show enthusiasm about something is often to show excitement about it. In the context of enthusiasm for a topic, interest, or endeavor, even stronger words are passion and zeal. A more formal word is ardor. Someone who is considered to have too much enthusiasm for something might be described as overenthusiastic or overzealous. Such a person’s enthusiasm might be called obsessed. In a more colloquial sense, you might be a bit much.
What is the opposite (antonym) of enthusiasm?
The opposite of enthusiasm is a lack of enthusiasm. Someone or something that lacks enthusiasm can be described as unenthusiastic. There are a few terms that capture the same idea, including indifference, disinterest, and lack of interest.  Words that not only imply a lack of enthusiasm about something but also negativity toward it include aversion and disdain.
How do you use enthusiasm in a sentence?
Enthusiasm is a common word that’s used in a variety of contexts. Here are some examples of enthusiasm in a sentence:
  • The opening of the new restaurant was greeted with great enthusiasm.
  • I knew Dave was having a bad day when he didn’t have his usual enthusiasm at band practice.
  • Her false enthusiasm was very off-putting.

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.

The robust gains in some Chinese heavyweight tech stocks this week look more like “a sentiment-driven catch-up bounce” than focused enthusiasm for the AI sector.

From The Wall Street Journal • May 8, 2026

The enthusiasm has turned frothy, according to Matthew Unterman, managing director at S3 Partners.

From MarketWatch • May 7, 2026

But that did not dampen the enthusiasm of those who had come to get a glimpse of someone on top of the world.

From BBC • May 7, 2026

They can also be healthy, checking overly exuberant investor enthusiasm and ensuring some risks are reflected in stock prices.

From Barron's • May 7, 2026

But “you’re doing your best” is a consolation-prize compliment—like praising someone’s effort and enthusiasm instead of an achievement.

From "Keeping Pace" by Laurie Morrison




Vocabulary lists containing enthusiasm