4
ruined(adjective, characteristic, failure, loss)
4
undone(adjective, characteristic, failure, loss)
4
vulnerable(adjective, characteristic, vulnerability, unprotection)
3
flunkee(noun, person, failure, loss)
3
loser(noun, person, failure, loss)
3
shatter(verb, failure, process, destroying)
3
unprotected(adjective, characteristic, protection, defense)
3
whitewashed(adjective, characteristic, failure, loss)
2
doomed(adjective, characteristic, failure, loss)
1
has-been(noun, person, failure, loss)
1
abort(verb, failure, process, loss)
1
annul(verb, failure, process, destroying)
1
baffled(adjective, characteristic, failure, loss)
1
circumvented(adjective, characteristic, failure, loss)
1
compacted(adjective, characteristic, failure, loss)
1
compressed(adjective, characteristic, failure, loss)
1
cowed(adjective, characteristic, failure, loss)
1
demolish(verb, failure, process, destroying)
1
destroy(verb, failure, process, destroying)
1
disappoint(verb, failure, process, disappointing)
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APASmart Define. (2015). undefeated thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/undefeated/thesaurus/antonyms
ChicagoSmart Define. 2015. "undefeated thesaurus" https://smartdefine.org/undefeated/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, undefeated thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/undefeated/thesaurus/antonyms>.
MLASmart Define. "undefeated thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/undefeated/thesaurus/antonyms>