5
weak(adjective, vulnerable, insecure, exposed, helpless)
4
faulty(adjective, inexcusable)
4
unconscionable
4
undue(adjective, unwarranted, unnecessary, unjustified, undeserved)
3
bad(adjective, inexcusable)
3
extreme(adjective, defended, verbal attack)
3
illogical(adjective, defended, verbal attack)
3
objectionable(adjective, defended, verbal attack)
3
unacceptable(adjective, defended, verbal attack)
3
unprotected(adjective, vulnerable, insecure, exposed, helpless)
3
unsound(adjective, defended, verbal attack)
3
vincible
2
deplorable
2
excessive
2
exposed(adjective, vulnerable, insecure, helpless, powerless)
2
flawed
2
harmless
2
idle
2
immoderate
2
improper
11 years ago|7.3k views|share |citing 
APASmart Define. (2015). indefensible thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/indefensible/thesaurus/synonyms
ChicagoSmart Define. 2015. "indefensible thesaurus" https://smartdefine.org/indefensible/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, indefensible thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/indefensible/thesaurus/synonyms>.
MLASmart Define. "indefensible thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/indefensible/thesaurus/synonyms>