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Synonyms

lukewarm

American  
[look-wawrm] / ˈlukˈwɔrm /

adjective

  1. moderately warm; tepid.

  2. having or showing little ardor, zeal, or enthusiasm; indifferent.

    lukewarm applause.

    Synonyms:
    apathetic, cool, halfhearted

lukewarm British  
/ ˌluːkˈwɔːm /

adjective

  1. (esp of water) moderately warm; tepid

  2. having or expressing little enthusiasm or conviction

"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

Other Word Forms

Etymology

Origin of lukewarm

1350–1400; Middle English lukewarme tepid, equivalent to luke tepid (unexplained alteration of lew, Old English gehlēow tepid) + warme warm

Explanation

Something lukewarm is just a teeny bit warm. Lukewarm feelings are also not very strong. Lukewarm is a word for things that are warm, but only barely. A forgotten cup of hot coffee will get lukewarm before it eventually gets cold. It's disappointing when food at a restaurant is served lukewarm; most people like their food hot. Also, people can have lukewarm feelings and reactions. If someone asks you out to lunch and you say, "Well, I guess that would be OK," that's a lukewarm response.

Keep Reading on Vocabulary.com

Vocabulary lists containing lukewarm

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:

That must be a relief for longtime DC Comics fans, given its emergence on the heels of the lukewarm critical and audience reception for “Supergirl.”

From Salon ● Aug. 14, 2026

“I think compromises make lukewarm results,” he said.

From The Wall Street Journal ● Jul. 30, 2026

If Darline Graham hopes to avoid similar missteps, lukewarm Fox interviews may be the right approach after all.

From Slate ● Jul. 24, 2026

Germs that cause food poisoning can grow quickly in lukewarm food.

From Los Angeles Times ● Jul. 10, 2026

It’s a mistake to hang back too obviously in any group like this; it stamps you as lukewarm, lacking in zeal.

From "The Handmaid's Tale" by Margaret Atwood

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