1. Hindering the penetration of water
   "a water-repellent coat"
   - water-resistant

See also: impermeable

• family Felidae
• family Filariidae
• family Fissurellidae
• family Fistulariidae
• family Fistulinaceae
• family Flacourtiaceae
• family Forficulidae
• family Formicariidae
• family Formicidae
• family Fouquieriaceae
• family Fregatidae
• family Fringillidae
• family Fucaceae
• family Fulgoridae
• family Fumariaceae
• family Funkaceae
• family Furnariidae
• family Gadidae
• family Galbulidae
• family Gasterophilidae
• family Gasterosteidae
• family Gavialidae
• family Gavidae
• family Geastraceae
• family Gekkonidae