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

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 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," 13 Mar. 2018 And for those who shampoo in the morning, that means sacrificing precious sleep time to blow-dry. Zoë Weiner, Teen Vogue, "6 Ways to Blow-Dry Your Hair Faster," 12 Mar. 2018

Recent Examples on the Web: Noun

What if the bottle itself were colored in the shampoo’s familiar shade, a packaging official suggested. Jonathan D. Rockoff, WSJ, "Bringing Up Baby’s Market Share at J&J," 27 Oct. 2018 Trump’s new list of levies covers every corner of the home: soaps and shampoos, hand tools and furniture, leather goods and handbags, refrigerators and vacuum cleaners, and plates and cups, to name a few. Daniela Wei, The Seattle Times, "Winners and losers from Trump’s tariffs," 18 Sep. 2018 The cap acts as a tripod, so the bottle can stand up upside down, so the shampoo will make its way down to the cap. Brittney Morgan, House Beautiful, "This Ingenious Gadget Gets Every Drop Of Shampoo Out Of The Bottle," 12 July 2018 It is also used in personal products like shampoo, cosmetics, cleaning products and biodiesel. David Carrig, USA TODAY, "What is palm oil, and why did grocery chain Iceland pull it? The controversy, explained," 10 Apr. 2018 Cost: $22 Length: 50 minutes Sweat scale (out of 5): 3 Fitness level (out of 5): 2/3 Ideal for: Toning What to bring: Socks, water Amenities: Lockers with locks, deodorant, dry shampoo, dressing room-style changing areas. Shelbie Lynn Bostedt, RedEye Chicago, "Breaking down Chicago's 10 best boutique fitness classes," 30 May 2017 Your hair is going to need all new products, too, like special purple shampoo to combat brassiness (hair can take on an orange-y brown shade as the blonde fades). Elizabeth Denton, Seventeen, "5 Things You Need To Know Before Going Platinum," 17 Mar. 2015 Most dry shampoo and hairspray cans are made of steel and aluminum, which are both recyclable. Jessica Cruel, SELF, "You Should Be Recycling Your Beauty Products—10 Things You Need to Know," 7 July 2018 Wood posted a series of images with some of the things she’s picked up, including clothes, shoes, toothbrushes, shampoo, body soap, and diapers., "Evan Rachel Wood Wanted To Help Separated Families, So She's At The Border," 24 June 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

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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

Comments on shampoo

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a nest or breeding place

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