: a compound formed by the union of water with some other substance
hydrated; hydrating
1
: to cause to take up or combine with water or the elements of water
2
: to supply with ample fluid or moisture
hydrates and softens the skin
: to become a hydrate
Examples of hydrate in a Sentence
Verb
lotions and creams that hydrate the skin
Drink fluids to hydrate the body.
Recent Examples on the Web
Macaela MacKenzie, Allure, 5 Apr. 2024
This tinted moisturizer that manages to not only even out skin but hydrate for an angelic and natural glow.
—Perrie Samotin, Glamour, 29 Mar. 2024
The cleanser’s versatile formula hydrates the skin without taking away any of the skin’s necessary oils and nutrients.
—Katrina Cossey, Parents, 12 Jan. 2024
That’s because aloe vera soothes and hydrates irritated skin but is gentle enough to use as part of your everyday skincare regimen.
—Barbara Bellesi Zito, Travel + Leisure, 15 Mar. 2024
Creamy pearls brighten, hyaluronic acid plumps and hydrates, and pigments and tetrapeptides color correct.
—Celia Shatzman, Forbes, 27 Feb. 2024
Fire-ice is a frozen form of methane hydrate, a natural gas.
—Devika Rao, theweek, 1 Jan. 2024
The time-friendly in-shower treatment softens, hydrates, and glassifies hair in just 60 seconds.
—Mary Honkus, Glamour, 7 Mar. 2024
With key ingredients like hyaluronic acid, glycerin, antioxidant fruit complex, and vitamin B5, this serum rapidly hydrates and adds an instant glow.
—Alyssa Brascia, Peoplemag, 3 Feb. 2024
Lisa Desantis, Health, 22 Mar. 2024
Keep hydrangeas hydrated with a deep soak once or twice a week to reach the roots.
—Patricia Shannon, Southern Living, 22 Mar. 2024
But Take Note The thin, lighter formula may not be strong enough to hydrate super dry skin.
—Tanya Edwards, Parents, 15 Mar. 2024
Taking frequent breaks, hydrating yourself, bundling up with appropriate clothes, pushing rather than lifting snow and engaging in warm-up exercises prior to shoveling can all help mitigate the risks associated with snow shoveling.
—Omer Awan, Forbes, 1 Mar. 2024
Both of these oils contain fatty acids to hydrate the scalp and soften hair.
—Macaela MacKenzie, Glamour, 27 Feb. 2024
It can even be used as a pre-shampoo treatment to hydrate the scalp.
—Jenny Berg, Vogue, 25 Mar. 2024
Like many other after-sun products on this list, this Burt’s Bees lip balm contains soothing aloe vera and intensely hydrating coconut oil.
—Barbara Bellesi Zito, Travel + Leisure, 15 Mar. 2024
Its tall height means that even your higher planters and hanging baskets can get thoroughly hydrated.
—Kat De Naoum, Better Homes & Gardens, 11 Mar. 2024
Noun
Pomegranate and açai, superfruits with antioxidant properties that can fight damage at the cellular level, help reduce inflammation (and smell nice) while a combo of mango butter, argan oil, olive oil, jojoba oil, and shea butter hydrate delicate skin on both your lips and nips.
—Macaela MacKenzie, Allure, 5 Apr. 2024
This tinted moisturizer that manages to not only even out skin but hydrate for an angelic and natural glow.
—Perrie Samotin, Glamour, 29 Mar. 2024
The cleanser’s versatile formula hydrates the skin without taking away any of the skin’s necessary oils and nutrients.
—Katrina Cossey, Parents, 12 Jan. 2024
That’s because aloe vera soothes and hydrates irritated skin but is gentle enough to use as part of your everyday skincare regimen.
—Barbara Bellesi Zito, Travel + Leisure, 15 Mar. 2024
Creamy pearls brighten, hyaluronic acid plumps and hydrates, and pigments and tetrapeptides color correct.
—Celia Shatzman, Forbes, 27 Feb. 2024
Fire-ice is a frozen form of methane hydrate, a natural gas.
—Devika Rao, theweek, 1 Jan. 2024
The time-friendly in-shower treatment softens, hydrates, and glassifies hair in just 60 seconds.
—Mary Honkus, Glamour, 7 Mar. 2024
With key ingredients like hyaluronic acid, glycerin, antioxidant fruit complex, and vitamin B5, this serum rapidly hydrates and adds an instant glow.
—Alyssa Brascia, Peoplemag, 3 Feb. 2024
Verb
This barrier also protects against water loss to keep the skin hydrated.
—Lisa Desantis, Health, 22 Mar. 2024
Keep hydrangeas hydrated with a deep soak once or twice a week to reach the roots.
—Patricia Shannon, Southern Living, 22 Mar. 2024
But Take Note The thin, lighter formula may not be strong enough to hydrate super dry skin.
—Tanya Edwards, Parents, 15 Mar. 2024
Taking frequent breaks, hydrating yourself, bundling up with appropriate clothes, pushing rather than lifting snow and engaging in warm-up exercises prior to shoveling can all help mitigate the risks associated with snow shoveling.
—Omer Awan, Forbes, 1 Mar. 2024
Both of these oils contain fatty acids to hydrate the scalp and soften hair.
—Macaela MacKenzie, Glamour, 27 Feb. 2024
It can even be used as a pre-shampoo treatment to hydrate the scalp.
—Jenny Berg, Vogue, 25 Mar. 2024
Like many other after-sun products on this list, this Burt’s Bees lip balm contains soothing aloe vera and intensely hydrating coconut oil.
—Barbara Bellesi Zito, Travel + Leisure, 15 Mar. 2024
Its tall height means that even your higher planters and hanging baskets can get thoroughly hydrated.
—Kat De Naoum, Better Homes & Gardens, 11 Mar. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hydrate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
Noun
1802, in the meaning defined above
Verb
1846, in the meaning defined at transitive sense 1
Phrases Containing hydrate
Dictionary Entries Near hydrate
Cite this Entry
“Hydrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrate. Accessed 16 Apr. 2024.
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Kids Definition
hydrate
1 of 2 noun
hy·drate
ˈhī-ˌdrāt 
: a compound formed by the union of water with some other substance
a hydrate of copper sulfate
hydrate
2 of 2 verb
hydrated; hydrating
1
: to cause to take up or combine with water or the elements of water
2
: to supply with sufficient amounts of fluid or moisture
Medical Definition
hydrate
1 of 2 noun
hy·drate
ˈhī-ˌdrāt
: a compound (as Glauber's salt) formed by the union of water with some other substance
hydrate
2 of 2 verb
hydrated; hydrating
: to cause to take up or combine with water or the elements of water
: to become a hydrate
More from Merriam-Webster on hydrate
Thesaurus: All synonyms and antonyms for hydrate
Nglish: Translation of hydrate for Spanish Speakers
Britannica English: Translation of hydrate for Arabic Speakers
Britannica.com: Encyclopedia article about hydrate
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