resistant Synonyms

repellent immune tolerant resistive insubordinate steadfast strong stubborn substantial subterrestrial tight tough toughened stout stiff resilient resisting resist resister retardative rigid robust shellproof solid stable unconquerable unpenetrable water-resistant immunogenic rainproof resistivity rocklike shatterproof unbendable uneager uninjectable unobliging nonabsorptive burglarproof watertight unwilling weatherproof withstanding unyielding unsusceptible nonabsorbent noncompliant resistor leatherlike unbreakable