Antonyms of adj vulnerable

3 senses of vulnerable

Sense 1
vulnerable (vs. invulnerable) -- (susceptible to attack; "a vulnerable bridge")

invulnerable (vs. vulnerable) -- (immune to attack; impregnable; "gunners raked the beach from invulnerable positions on the cliffs")
        => airtight, air-tight -- (having no weak points; "an airtight defense"; "an airtight argument")
        => bombproof, shellproof -- (able to resist the explosive force of bombs and shells; "bombproof shelter")
        => defendable, defensible -- (capable of being defended)
        => entrenched -- (dug in)
        => 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")
        => tight -- (set so close together as to be invulnerable to penetration; "in tight formation"; "a tight blockade")
        => sheltered -- (protected from danger or bad weather; "a sheltered harbor")
        => untouchable -- (beyond the reach of criticism or attack or impeachment; "for the first time criticism was directed at a hitherto untouchable target"- Newsweek)

Sense 2
vulnerable -- (susceptible to criticism or persuasion or temptation; "vulnerable to bribery"; "an argument vulnerable to refutation")

INDIRECT (VIA susceptible) -> unsusceptible, insusceptible -- (not susceptible to)

Sense 3
vulnerable -- (capable of being wounded or hurt; "vulnerable parts of the body")

INDIRECT (VIA weak) -> strong -- (having strength or power greater than average or expected; "a strong radio signal"; "strong medicine"; "a strong man")

Similarity of adj vulnerable

3 senses of vulnerable

Sense 1
vulnerable (vs. invulnerable) -- (susceptible to attack; "a vulnerable bridge")
       => assailable, undefendable, undefended, open -- (not defended or capable of being defended; "an open city"; "open to attack")
       => compromising -- (vulnerable to danger especially of discredit or suspicion; "she found herself in a compromising situation")
       => defenseless, defenceless -- (lacking protection or support; "a defenseless child")
       => endangered -- ((of flora or fauna) in imminent danger of extinction; "an endangered species")
       => indefensible -- (not able to be protected against attack)
       => insecure, unsafe -- (not safe from attack)
       => penetrable -- (capable of being penetrated; "penetrable defenses")
       => threatened -- ((of flora or fauna) likely in the near future to become endangered; "the spotted owl is a threatened species, not yet an endangered one")
       => under attack (predicate), under fire (predicate) -- (subjected to enemy attack or censure; "an official under fire for mismanagement")
       => unguarded -- (lacking protection or a guard; "an unguarded gate"; "his unguarded queen was open to attack")
          Also See-> conquerable#1; dangerous#1, unsafe#2; insecure#2, unsafe#1; susceptible#1; unprotected#1

Sense 2
vulnerable -- (susceptible to criticism or persuasion or temptation; "vulnerable to bribery"; "an argument vulnerable to refutation")
       => susceptible (vs. unsusceptible) -- ((often followed by `of' or `to') yielding readily to or capable of; "susceptible to colds"; "susceptible of proof")

Sense 3
vulnerable -- (capable of being wounded or hurt; "vulnerable parts of the body")
       => weak (vs. strong) -- (wanting in physical strength; "a weak pillar")

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