0
fasten
0
fend
0
firm
0
fix
0
gain
0
get
0
giddy
0
hard-bitten
0
hard as nails(expression, idiom, weak, delicate, small)
0
hard put
0
hard to please
0
hard up
0
hardboiled
0
hardened
0
hardy
0
harmless
0
honored
0
incorrupt(weak, soft)
0
innocuous
0
inured
10 years ago|4.4k views|share |citing 
APASmart Define. (2016). vulnerable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/vulnerable/thesaurus/antonyms
ChicagoSmart Define. 2016. "vulnerable thesaurus" https://smartdefine.org/vulnerable/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, vulnerable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/vulnerable/thesaurus/antonyms>.
MLASmart Define. "vulnerable thesaurus" 11 March 2016. Web. 23 September 2026. <https://smartdefine.org/vulnerable/thesaurus/antonyms>