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
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In mass, shampoo and conditioner combo packs performed well as consumers searched for value. Kathryn Hopkins, Footwear News, 11 May 2026 So, air conditioners running in hot regions, along the coastline, or in areas with poor air quality will experience more wear and tear than in milder climates. Nafeesah Allen, Better Homes & Gardens, 10 May 2026 Certain beauty and skincare essentials aren’t conducive to being poured into reusable bottles, but for the ones that are—like shampoo, conditioner, body wash, lotion, and face wash—refillable silicone bottles save an enormous amount of space in a toiletry bag. Kayla Kitts, Travel + Leisure, 9 May 2026 Most curls benefit from a hydrating conditioner or deep conditioner to replenish moisture, followed by leave-in conditioners for curly hair and styling products like curl creams, mousses, or gels. Aimee Simeon, Glamour, 7 May 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

Browse Nearby Words

Cite this Entry

“Conditioner.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/conditioner. Accessed 16 May. 2026.

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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