4
powerless(adjective, weak, soft, poor, feeble)
3
abatable(adjective, weak, exposed, unsafe)
3
bland(adjective, weak, soft, poor, delicate)
3
delicate(adjective, weak, soft, poor, feeble)
3
mild(adjective, weak, soft, poor, feeble)
3
rotten(adjective, weak, direct, poor, violent)
2
stoppable(adjective, weak, insecure, unsafe)
2
imperiled(adjective, weak, insecure, exposed)
2
insecure(adjective, weak, exposed, unsafe)
2
meek(adjective, soft, affable, bland)
2
open(adjective, soft, affable, bland)
2
unprotected(adjective, weak, insecure, exposed)
2
unrelenting(adjective, direct, violent, negative)
2
unsafe(adjective, weak, insecure, exposed)
2
vulnerable(adjective, soft, feeble, bland)
1
affable(adjective, soft, delicate, indulgent)
1
balmy(adjective, unsafe, unprotected, imperiled)
1
benign(adjective, soft, feeble, bland)
1
calm(adjective, soft, feeble, bland)
1
defenseless(adjective, soft, feeble, bland)
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APASmart Define. (2015). unstoppable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unstoppable/thesaurus/antonyms
ChicagoSmart Define. 2015. "unstoppable thesaurus" https://smartdefine.org/unstoppable/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unstoppable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unstoppable/thesaurus/antonyms>.
MLASmart Define. "unstoppable thesaurus" 24 June 2015. Web. 24 September 2026. <https://smartdefine.org/unstoppable/thesaurus/antonyms>