-proof synonyms | adjectives

Synonyms for -proof as an Adjective

• impermeable
• impervious
• proof
• stable
• steady
• sustained
• strong
• persistent
• firm
• impenetrable
• tight
• inscrutable
• inaccessible
• out of reach
• unapproachable
• unobtainable
• inapproachable
• reluctant
• uncomplying
• resistant to
• immune from
• unaffected by
• invulnerable to
• impenetrable by
• impervious to
• repellent to
• resistant