shampoo

1 of 2

verb

sham·​poo sham-ˈpü How to pronounce shampoo (audio)
shampooed; shampooing; shampoos

transitive verb

1
archaic : massage
2
a
: to wash (something, such as hair) with soap and water or with a special preparation
b
: to wash the hair of
shampooer noun

shampoo

2 of 2

noun

plural shampoos
1
: an act or instance of shampooing
2
: a preparation used in shampooing

Examples of shampoo in a Sentence

Verb She shampoos her hair every morning. We need to shampoo the rug.
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.
Verb
Note that this is used much less frequently than a rice water shampoo: The brand recommends breaking it out every four to six weeks for use after shampooing and before conditioning (or more frequently if your hair needs a strengthening boost). Catharine Malzahn, Glamour, 24 June 2025 His bodysuit fitted as tight as a tourniquet, his little mustache pert and shampooed, the 22-year-old Benson Boone looked the part of the consummate Gen Z rock-and-roll heartthrob on the first night of this year’s Coachella music festival. Spencer Kornhaber, The Atlantic, 29 Apr. 2025
Noun
Scroll to shop our most popular picks, from scalp detoxing shampoos to smoothing treatments. Conçetta Ciarlo, Vogue, 8 July 2025 Still, it’s never made sense to pack full-size shampoos, conditioners, lotions, and sunscreens—most of which come in 12-ounce bottles or tubes. Katie Jackson, Travel + Leisure, 5 July 2025 See All Example Sentences for shampoo

Word History

Etymology

Verb

Hindi & Urdu cā̃po, imperative of cā̃pnā to press, massage

First Known Use

Verb

1762, in the meaning defined at sense 1

Noun

1838, in the meaning defined at sense 1

Time Traveler
The first known use of shampoo was in 1762

Browse Nearby Words

Cite this Entry

“Shampoo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/shampoo. Accessed 11 Jul. 2025.

Kids Definition

shampoo

1 of 2 verb
sham·​poo sham-ˈpü How to pronounce shampoo (audio)
: to wash (as the hair) with soap and water or with a special preparation
shampooer noun

shampoo

2 of 2 noun
1
: an act or instance of shampooing
2
: a cleaner used in shampooing

More from Merriam-Webster on shampoo

Last Updated: - Updated example sentences
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