Antonyms of adj unassailable

3 senses of unassailable

Sense 1
impregnable, inviolable, secure, strong, unassailable, unattackable -- (immune to attack; incapable of being tampered with; "an impregnable fortress"; "fortifications that made the frontier inviolable"; "a secure telephone connection")

INDIRECT (VIA invulnerable) -> vulnerable -- (susceptible to attack; "a vulnerable bridge")

Sense 2
unassailable, untouchable -- (impossible to assail)

INDIRECT (VIA inviolable) -> violable -- (capable of being violated; "a violable rule"; "a violable contract")

Sense 3
unassailable, unshakable, watertight, bulletproof -- (without flaws or loopholes; "an ironclad contract"; "a watertight alibi"; "a bulletproof argument")

INDIRECT (VIA incontestable) -> contestable -- (capable of being contested)

Similarity of adj unassailable

3 senses of unassailable

Sense 1
impregnable, inviolable, secure, strong, unassailable, unattackable -- (immune to attack; incapable of being tampered with; "an impregnable fortress"; "fortifications that made the frontier inviolable"; "a secure telephone connection")
       => invulnerable (vs. vulnerable) -- (immune to attack; impregnable; "gunners raked the beach from invulnerable positions on the cliffs")

Sense 2
unassailable, untouchable -- (impossible to assail)
       => inviolable (vs. violable) -- (incapable of being transgressed or dishonored; "the person of the king is inviolable"; "an inviolable oath")

Sense 3
unassailable, unshakable, watertight, bulletproof -- (without flaws or loopholes; "an ironclad contract"; "a watertight alibi"; "a bulletproof argument")
       => incontestable (vs. contestable), incontestible -- (incapable of being contested or disputed)