lukewarm

adjective

luke·​warm ˈlük-ˈwȯrm How to pronounce lukewarm (audio)
Synonyms of lukewarm
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

Synonyms of lukewarm

Relevance
See All Synonyms & Antonyms in Thesaurus

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.
To punish and sustain Helaena, Rhaenyra has guards shovel lukewarm gruel down her throat. — Amanda Whiting, Vulture, 10 Aug. 2026 His first week was plagued by a pair of fumbles, and this week, which was Miami’s first in pads, has featured a couple of lukewarm days. — Omar Kelly, Miami Herald, 7 Aug. 2026 Rinse your face thoroughly with lukewarm water until the cleanser is gone. — Sherri Gordon, HEALTH, 3 Aug. 2026 Murakami’s below-average defense, propensity to strike out and weak contact against higher velocity led to a lukewarm market, with some questioning whether his profile could translate to MLB. — Johnny Flores Jr, New York Times, 26 July 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

Rhymes for lukewarm

See All Rhymes for lukewarm

Browse Nearby Words

Luke
lukewarm
lukewarmish
See all Nearby Words

Cite this Entry

“Lukewarm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lukewarm. Accessed 17 Aug. 2026.

Copy Citation

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

Nglish: Translation of lukewarm for Spanish Speakers

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!

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

7 Pairs of Commonly Confused Words

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Do you 'say your piece' or 'say your peace'?

Why is '-ed' sometimes pronounced at the end of a word?
See More

Popular in Wordplay

See More

Words from the 'Odyssey'

The Longest Long Words List

It's a Scorcher! Words for the Summer Heat

Is “GIF” Pronounced “Jiff” or “Giff”?

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Words from the 'Odyssey'

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
image of a green cube out of place in a lineup of red spheres
Odd Word Out: Synonyms Vol. 2 Quiz Figure out which word isn't like the others.
See All