conditioner
Americannoun
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a person or thing that conditions.
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something added to a substance to increase its usability, as a water softener.
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a cream or liquid preparation applied to the hair or skin, especially for its emollient qualities.
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a trainer of athletes.
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an air conditioner.
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Textiles. a person who conditions fibers or fabrics.
noun
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a person or thing that conditions
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a substance, esp a cosmetic, applied to something to improve its condition
hair conditioner
Other Word Forms
Noun Inflected Forms
Etymology
Origin of conditioner
Explanation
The job of a conditioner is to make something soft. If you use conditioner after you shampoo your hair, it will feel smoother and softer. Hair conditioner is just one kind of conditioner — you might also treat your laundry with conditioner, softening your clothes, or your water with a conditioner that improves its quality. Another kind of conditioner is one that gets you physically into condition, or fitness. This might be an exercise or a teacher or trainer who instructs you in doing the exercise. Conditioner comes from the Old French condicion, "state or behavior," from the Latin condicionem, "situation."
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Europe braced Wednesday for another day of an unprecedented heatwave that has smashed records in many countries and sent air conditioner sales zooming in a continent unused and ill-equipped to handle searing heat.
From Barron's • Jun. 23, 2026
Maybe it’s simply the annual ritual of wrestling your air conditioner out of storage.
From Salon • Jun. 9, 2026
"If you're dealing with a drought, you can go inside and close the door and turn on the air conditioner and get some level of respite," he says.
From BBC • May 30, 2026
The air conditioner was rattling, and teacher G.C.
From Los Angeles Times • May 29, 2026
"She tried to move the air conditioner, but it's too heavy," said Jessie.
From "The Lemonade War" by Jacqueline Davies
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
