Hydrophobic \Hy`dro*phob"ic\, a. [L. hydrophobicus, Gr. ?: cf. F. hydrophobique.] Of or pertaining to hydrophobia; producing or caused by rabies; as, hydrophobic symptoms; the hydrophobic poison.
hydrophobic adj 1: lacking affinity for water; tending to repel and not absorb water; tending not to dissolve in or mix with or be wetted by water [ant: {hydrophilic}] 2: abnormally afraid of water [syn: {aquaphobic}]