shampoo

1 of 2

verb

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

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
To experience its magic for yourself, massage two to four droppers of product into your scalp before shampooing, or use it as a nourishing overnight treatment. Kyra Surgent, InStyle, 9 Jan. 2026 To use the treatment, massage it into hair after shampooing, leave it on for five minutes, and rinse it out. Jenny Berg, Vogue, 26 Dec. 2025
Noun
In addition to the serum, shop the hair oil and shine-boosting shampoo and conditioner that Moore also used. Kaelin Dodge, InStyle, 31 Jan. 2026 Appearance wise, using a good dry shampoo to soak up excess oil or simply washing your hair more often can help. Helen Carefoot, Flow Space, 29 Jan. 2026 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 4 Feb. 2026.

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

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