sham·​poo | \ sham-ˈpü How to pronounce shampoo (audio) \
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

Apply this baby two to three times a week after shampooing, then skip the conditioner and enjoy your softer, silkier hair. Leah Prinzivalli, Allure, "Frank Body's First-Ever Hair-Care Products Include a Scalp Scrub and Mask — and There’s Already a Waitlist," 17 May 2019 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

Recent Examples on the Web: Noun

That program welcomes items such as plastic beauty-product containers including shampoo and conditioner bottles, skin-care packaging such as hand soap and lotion bottles, and cosmetic packing such as lipstick tubes and makeup containers. Kirk Sides, Houston Chronicle, "League City salon's eco-friendly business makes people and Earth beautiful," 3 June 2019 Two years ago, Luke Geddie and his mother, Joy Reese, launched Skinny & Co., a company that uses coconut oil to make products like shampoo and soap. Lucy Craymer, WSJ, "Trouble in Paradise: Coconut Oil Prices Are Slipping and Sliding," 7 Jan. 2019 Plenty of products at your local drugstore might promise to help with an itchy scalp, but using something like an over-the-counter dandruff shampoo won’t treat your eczema. Korin Miller, SELF, "Yes, You Can Get Eczema on Your Scalp," 4 Apr. 2018 The trio launched Kardashian Hair in 2015, which included shine-boosting hair oils, shampoo and conditioner, and hair styling tools. Jenna Rosenstein, Harper's BAZAAR, "Kylie Hair by Kylie Jenner Is Happening," 17 May 2019 More often than not, that shampoo-commercial hair has also got some serious length, which tends to strike envy in the hearts of the not-so-lucky among us. Chelsea Peng, Marie Claire, "The Complete Guide to Growing Out Your Hair," 16 Apr. 2015 Co-washing is a process that utilizes a conditioner to hydrate and cleanse hair in place of shampoo. SELF, "7 Ways to Look Flawless While Transitioning to Natural Hair," 30 Dec. 2018 The company, which has a market value of more than $4.8 billion, makes chemical compounds for a range of products such as shampoo, paint and pill capsules. Patrick Thomas, WSJ, "Hedge Fund Drops Proxy Battle With Chemicals Maker Ashland," 22 Jan. 2019 If your hair is fine or straight, mist each length of pigtail with a texture spray or dry shampoo, coil them, then wrap and pin them around an elastic. Jenna Rosenstein, Harper's BAZAAR, "Gigi Hadid Just Reminded Us How Much We Love Space Buns," 4 Dec. 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

25 May 2019

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Time Traveler for shampoo

The first known use of shampoo was in 1762

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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 How to pronounce shampoo (audio) \
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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