hydrophobic

adjective

hy·​dro·​pho·​bic ˌhī-drə-ˈfō-bik How to pronounce hydrophobic (audio)
1
: of, relating to, or suffering from hydrophobia
2
: lacking affinity for water
hydrophobicity noun

Examples of hydrophobic in a Sentence

Recent Examples on the Web
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The scales are hydrophobic enough to make water droplets bead up — but hydrophilic enough to keep them from rolling right off the reptiles. Jason Bittel, New York Times, 17 Jan. 2025 The latter, hydrophobic side can hook into, and then destroy, the membranes that surround some microbes (though norovirus isn’t one of them). Daniel Engber, The Atlantic, 14 Jan. 2025 On top of the blade laying down small bits of silicone—which is inherently hydrophobic—Michelin has treated the wiper with four layers of its hydrophobic coating to improve clearing ability before the wiper is even engaged. Matt Crisara, Popular Mechanics, 12 Jan. 2023 Body of knowledge The human body is approximately 60 percent water — a little more for men, a little less for women, who typically have more hydrophobic fat content. Scott Lafee, San Diego Union-Tribune, 11 July 2023 See all Example Sentences for hydrophobic 

Word History

First Known Use

1807, in the meaning defined at sense 1

Time Traveler
The first known use of hydrophobic was in 1807

Dictionary Entries Near hydrophobic

Cite this Entry

“Hydrophobic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrophobic. Accessed 31 Jan. 2025.

Medical Definition

hydrophobic

adjective
hy·​dro·​pho·​bic -ˈfō-bik How to pronounce hydrophobic (audio)
1
: of, relating to, or suffering from hydrophobia
2
: resistant to or avoiding wetting
a hydrophobic lens
3
: of, relating to, or having a lack of affinity for water
hydrophobic colloids are relatively unstable
compare lyophobic, oleophobic
hydrophobically adverb
hydrophobicity noun
plural hydrophobicities
Last Updated: - Updated example sentences
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