Synonyms of invulnerable


1. invulnerable (vs. vulnerable), airtight, air-tight, bombproof, shellproof, defendable, defensible, entrenched, impregnable, inviolable, secure, strong, unassailable, unattackable, tight, sheltered, untouchable, protected, safe, secure, unconquerable

usage: immune to attack; impregnable; "gunners raked the beach from invulnerable positions on the cliffs"

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Definition and meaning of invulnerable (Dictionary)