vulnerable Antonyms

invulnerable invincible indomitable strong armoured immunogenic airtight slam-dunk unmolested unsusceptible canopied warded vaccinated secured sheltered shielded shuttered sturdy superjacent tight tough unconquerable unsurmountable leakproof safety lock unstoppable stormproof unconquered undefeated waterproofed entrenched well-versed as tough as old boots safeguarded safety catch rustproof rainproof unassailable burglarproof untouchable unsubduable all-conquering unattackable unexposed unbeatable unprocurable as safe as houses secure acquire definite