conditioner

noun

con·​di·​tion·​er kən-ˈdi-sh(ə-)nər How to pronounce conditioner (audio)
: something that conditions
specifically : a preparation used to improve the condition of hair

Examples of conditioner in a Sentence

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.
In August, a fire triggered by an exploding air conditioner killed 14 newborns in a nursery at the Pakistan Institute of Medical Sciences in Islamabad. — ABC News, 29 Oct. 2026 Going back and forth between the two, the XM4C blocks out a little more of the low end from air conditioners and big trucks driving by outside. — John Higgins, The Verge, 26 Oct. 2026 The shampoo nourishes the scalp with panthenol and niacinamide, while the conditioner fortifies strands with lipids for thicker-looking hair that resists breakage. — Lauren Jarvis-Gibson, Kansas City Star, 21 Oct. 2026 What’s happening Drugstore shampoo and conditioner lines are earning serious editorial attention. — Lauren Jarvis-Gibson, Miami Herald, 21 Oct. 2026 See All Example Sentences for conditioner

Word History

First Known Use

1888, in the meaning defined above

Time Traveler
The first known use of conditioner was in 1888

Rhymes for conditioner

See All Rhymes for conditioner

Browse Nearby Words

conditioned
conditioner
conditioning
See all Nearby Words

Cite this Entry

“Conditioner.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/conditioner. Accessed 1 Nov. 2026.

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Kids Definition

conditioner

noun
con·​di·​tion·​er kən-ˈdish-(ə-)nər How to pronounce conditioner (audio)
: something that conditions
especially : a preparation used to improve the condition of hair
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