lukewarm

adjective

luke·​warm ˈlük-ˈwȯrm How to pronounce lukewarm (audio)
Synonyms of lukewarmnext
1
: moderately warm : tepid
a lukewarm bath
lukewarm coffee
2
: lacking conviction : half-hearted
gave them only lukewarm support
a lukewarm review
lukewarm applause
lukewarmly adverb
lukewarmness noun

Examples of lukewarm in a Sentence

I hate drinking lukewarm coffee. Our plan got a lukewarm reception. The producer was lukewarm about her script.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Place three cups of lukewarm or room temp water into your pot. Daley Quinn, Southern Living, 30 Jan. 2026 The decision to invest in xAI comes despite the proposal receiving a lukewarm response from the company’s investors last year. Siladitya Ray, Forbes.com, 29 Jan. 2026 Infuse ginger root and lemon juice with hot water to make an herbal tea, or squeeze lemon juice into lukewarm water with ginger root for a soothing warm drink. Sarah Bence, Verywell Health, 29 Jan. 2026 The same lukewarm financial advice peddled by thousands of literal talking heads on Instagram Reels is slop. Mia Sato, The Verge, 29 Jan. 2026 See All Example Sentences for lukewarm

Word History

Etymology

Middle English, from luke lukewarm + warm; probably akin to Old High German lāo lukewarm — more at lee

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of lukewarm was in the 14th century

Browse Nearby Words

Cite this Entry

“Lukewarm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lukewarm. Accessed 1 Feb. 2026.

Kids Definition

lukewarm

adjective
luke·​warm ˈlü-ˈkwȯ(ə)rm How to pronounce lukewarm (audio)
1
: mildly warm : tepid
a lukewarm bath
2
: not enthusiastic : indifferent
our plan got a lukewarm reception
lukewarmly adverb
lukewarmness noun

More from Merriam-Webster on lukewarm

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!