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.
Available options include a stationary air conditioner, water heater for the outdoor shower, leisure battery upgrade to lithium, exterior awning and more. — New Atlas, 7 Oct. 2026 Some top sellers in personal care include the cult classic Herbal Essences shampoo and conditioner sets, Gilette's clean-shaving ComfortGlide razors, and Colgate Optic White toothpaste for a brighter smile. — ABC News, 7 Oct. 2026 There are some great deals on leave-in conditioner and hair masks, too, like this smoothing formula from L’Oréal Paris, plus strand-thickening formulas that can help add density and control shedding in thinning areas. — Alanna Martine Kilkeary, Glamour, 7 Oct. 2026 If a serum feels drying, add a leave-in conditioner rather than switching products on week two. — Hanna Wickes, Miami Herald, 7 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 14 Oct. 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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