Proof against
Synonyms for Proof against
- impervious
- resistant
- impervious to
- unaffected
- unaffected by
- immune
- immune to
- hard
- oblivious to
- heedless of
- insusceptible to
- unmoved by
- invulnerable to
- resistant to
- insensitive
- free from
- protected from
- safe from
- secure against
- thick-skinned
- hardened
- unmoved
- inured
- indurated
- callous
- hardhearted
- unyielding
- calloused
- repellent of
- heedless
For more similar words, try Proof against on Thesaurus.plus dictionary