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.
Either way, the marine layer is so important, acting as Mother Nature's natural air conditioner to keep the California coast cool during the summer. Zoe Mintz, CBS News, 31 May 2026 Or take a page out of a cat’s book and leave your dog at home to relax indoors next to the air conditioner. The Washington Post, San Diego Union-Tribune, 30 May 2026 Cutler adds that the most critical thing is to watch for dryness, and recommends a moisturizing shampoo and conditioner (like the Redken All Soft Mega Curls Shampoo and Conditioner) to use in between appointments. Audrey Noble, Vogue, 30 May 2026 Start with lightweight products that emphasize lifting and definition, like volume sprays, dry shampoo, and leave-in conditioners. Alanna Martine Kilkeary, Glamour, 29 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 6 Jun. 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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