hydrophobic
adjective/ˌhaɪdrəˈfoʊbɪk/
Frequency rank: #14,491 most common English word
Meaning
Tending to repel or fail to mix with water.

Example sentence
Waterproof jackets are made with hydrophobic materials that cause water to bead up and roll off.
Synonyms & related words
- waterproof
- water-repellent
- nonabsorbent
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