hydrophobic
Americanadjective
-
of or relating to hydrophobia
-
chem tending not to dissolve in, mix with, or be wetted by water Compare hydrophilic
a hydrophobic colloid
Other Word Forms
Etymology
Origin of hydrophobic
First recorded in 1640–50; hydrophobe + -ic
Vocabulary lists containing hydrophobic
Cell Biology - High School
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Biochemistry
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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.
Such fabrics are hydrophobic, or water hating, similar to grease and oils.
From The Wall Street Journal ● Jun. 22, 2026
"By contrast, small-molecule drugs that are designed to cross the blood-brain barrier are hydrophobic in nature, which limits their bioavailability, increases the risk of off-target binding, and is linked to side effects."
From Science Daily ● Nov. 6, 2025
Backholm expects these findings will further enable physicists and engineers to develop hydrophobic surfaces with better performance.
From Science Daily ● Apr. 16, 2024
They know that it can be very effective as a hydrophobic, self-cleaning coating, but it's only now they realise how important the structure is for visible coloration.
From Science Daily ● Feb. 7, 2024
Mr. Kraus was excused in a state of hydrophobic rage and Teed withdrew in all meekness.
From In a Little Town by Rupert Hughes
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
