dehydrate
verb (used with object)
to deprive (a chemical compound) of water or the elements of water.
dehydrated
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past participleof dehydrate.past participle
A verb form used in perfect and passive verb constructions and that can also function as a modifier.
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past tense formof dehydrate.past tense
Used to describe completed actions or previous habitual actions.
dehydrateverb (used with object)to deprive (a chemical compound) of water or the elements of water.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
She became lethargic, dehydrated and disinterested in food.
From Los Angeles Times ● Sep. 8, 2026
In very high temperatures, especially for older adults or people who are dehydrated or unwell, fans alone may not be enough.
From Science Daily ● Jul. 29, 2026
When it's hot, we lose water when we sweat, so we need to replace it or we become dehydrated.
From BBC ● Jul. 8, 2026
Temperatures hit over 100 degrees, and some exhausted and dehydrated people were seen passing out.
From The Wall Street Journal ● Jul. 4, 2026
In that short window between eleven p.m. and four a.m., instead of getting good rest, I would spend my time drinking copious amounts of water to make sure I didn’t become dehydrated during practice.
From "Proud" by Ibtihaj Muhammad
