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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Tackle stains on your leather furniture with cleaners and conditioners that are specialized for cleaning, hydrating, and protecting those items. Karen Brewer Grossman, Southern Living, 14 June 2026 The Mini comes climate controlled via a Webasto diesel heater and an air conditioner, carries a large 200-L fresh water tank, and has prewiring for a TV and multimedia equipment. New Atlas, 14 June 2026 Some say the shampoo and conditioner even filled in bald spots, leaving hair full of volume. Rachel Nussbaum, InStyle, 13 June 2026 And short hair always feels so good once the temperatures climb and the humidity sets in; keeping your neck free allows the cool breeze of a blasting air conditioner to caress your skin. Kara Nesvig, Allure, 12 June 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 18 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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