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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

  • lukewarmly adverb
  • lukewarmness noun
  • lukewarmth noun

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.

Its prospects seemed dim amid the president’s threats and a lukewarm response from Iranian leaders, who dismissed the president’s diplomatic overtures as “unrealistic” and denying direct talks with the United States.

From Los Angeles Times • Apr. 6, 2026

I asked for an ice cube for my lukewarm California Sauvignon Blanc at one point.

From The Wall Street Journal • Mar. 18, 2026

The lukewarm response from European capitals came after Japan and Australia voiced similar sentiments earlier Monday, with Canberra noting it would not be sending a navy ship to the Strait of Hormuz.

From Barron's • Mar. 16, 2026

Few things are more disappointing than a dish that was clearly meant to be served warm but arrives in a vague state of lukewarm uncertainty.

From Salon • Mar. 15, 2026

The morning was cold, with only lukewarm, coffee-flavored water to fight off the chill.

From "Prisoner B-3087" by Alan Gratz