sham·​poo | \ sham-ˈpü \
shampooed; shampooing; shampoos

Definition of shampoo

 (Entry 1 of 2)

transitive verb

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


plural shampoos

Definition of shampoo (Entry 2 of 2)

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

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Other Words from shampoo


shampooer noun

Examples of shampoo in a Sentence


She shampoos her hair every morning. We need to shampoo the rug.

Recent Examples on the Web: Verb

Not shampooing your hair every day may lessen the amount of skin rashes, or a therapeutic oil cream can also do wonders. Mona Gohara, Good Housekeeping, "7 Common Scalp Issues — And How to Treat Them," 31 July 2018 Sensitivity to shampoo or hair dyes, not shampooing enough and skin conditions like psoriasis are other potential culprits for flakes. Sam Escobar, Good Housekeeping, "5 Dandruff Treatments That Actually Work, According to Dermatologists," 13 Dec. 2018 The night before shampooing, try Michael Van Clarke 3 More Inches Pre-wash Treatment to help your hair retain moisture during and after your shower. Jessica Prince Erlich, Harper's BAZAAR, "13 Secrets to Long, Thick, Shiny Hair," 7 Nov. 2016 Instead, condition daily, both after shampooing and on the in-between days. Adam Hurly, GQ, "How to Get Beach Hair If You're Not at the Beach," 19 June 2018 Leave it on for thee minutes after shampooing for a lightweight conditioner your hair will soak right up. Allison Young, Sunset, "11 Best Biodegradable Beauty Products," 22 Jan. 2018 Some experts also recommend shampooing less frequently to preserve the hair's natural oils, but if this lady's testimonial was a bit extreme-sounding, try using the dry stuff or a gentle cleansing conditioner in between washes. Chelsea Peng, Marie Claire, "The Complete Guide to Growing Out Your Hair," 16 Apr. 2015 Which is exactly what happens to my bleached-blonde hair after a week of daily shampooing. Emily Rekstis, SELF, "5 Shampoos for People Who Actually Have to Wash Their Hair Every Day," 6 Apr. 2018 Just smooth it over clean, damp hair for 10 minutes once a week, then rinse out and shampoo and condition as usual. Alex Warner, Marie Claire, "Drew Barrymore Swears This $28 Hair Product Fixed Her Damaged, Dyed Hair," 24 May 2018

Recent Examples on the Web: Noun

Not to be confused with dry shampoo, volumizing powders like this one are designed to quickly inject a little lifting action to your roots., "This Is The Best Thing You Can Do For Your Dirty Fourth-Day Hair," 12 Mar. 2018 Mistake #1: Washing your hair with the wrong shampoo. Leah Melby Clinton, Marie Claire, "Color Your Hair? Four Things You Should Never Do in the Shower," 16 Nov. 2018 One recent Sunday, two of those marketers hit up a dusty parking lot on the outskirts of Beijing, offering baskets with shampoo and toothpaste to get truckers to download the apps. Liza Lin, WSJ, "In China, a Dot-Com Déjà-Vu," 13 Oct. 2018 Standing in a long assembly line in the Comfort Cases offices, volunteers pack mostly donated supplies into backpacks, choosing from an array of picture books, small shampoo bottles, pajamas and blankets. Hannah Natanson, Washington Post, "Once a foster child himself, he’s launched a drive to show every separated border child someone cares," 2 July 2018 At Marriott, the tiny shampoo bottles are being replaced this year by larger pump bottles locked on wall fixtures at 450 hotels managed by Marriott. Hugo Martin,, "Tiny shampoo bottles are out at dozens of Marriott and InterContinental hotel brands," 5 May 2018 Depending on how your dermatologist advises applying it, these can be prescribed in topical or shampoo form. Sam Escobar, Good Housekeeping, "5 Dandruff Treatments That Actually Work, According to Dermatologists," 13 Dec. 2018 The all-natural dry shampoo papers from Recess are lightweight, effective, and inexpensive, aka the perfect stocking stuffer or add-on present for the athlete in your life (or yourself, of course). Jenna Rennert, Vogue, "14 Little Beauty Gifts That Bring Big Joy, According to Vogue Editors," 3 Dec. 2018 Turn up the dial post-shampoo and pre-mask and relax, letting hair soak up as much of the good stuff as possible. Leah Melby Clinton, Marie Claire, "Color Your Hair? Four Things You Should Never Do in the Shower," 16 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'shampoo.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of shampoo


1762, in the meaning defined at sense 1


1838, in the meaning defined at sense 1

History and Etymology for shampoo


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

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Dictionary Entries near shampoo






shamrock pea


Statistics for shampoo

Last Updated

2 Feb 2019

Look-up Popularity

Time Traveler for shampoo

The first known use of shampoo was in 1762

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More Definitions for shampoo



English Language Learners Definition of shampoo

 (Entry 1 of 2)

: to clean (something, such as hair, a carpet, etc.) with shampoo



English Language Learners Definition of shampoo (Entry 2 of 2)

: a special liquid that is used for cleaning your hair
: a special liquid used for cleaning rugs, carpets, etc.
: an act of cleaning hair, a carpet, etc., with shampoo


sham·​poo | \ sham-ˈpü \
plural shampoos

Kids Definition of shampoo

 (Entry 1 of 2)

1 : a cleaner made for washing the hair
2 : an act of washing the hair


shampooed; shampooing

Kids Definition of shampoo (Entry 2 of 2)

: to wash the hair and scalp

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More from Merriam-Webster on shampoo

Rhyming Dictionary: Words that rhyme with shampoo

Spanish Central: Translation of shampoo

Nglish: Translation of shampoo for Spanish Speakers

Britannica English: Translation of shampoo for Arabic Speakers Encyclopedia article about shampoo

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