53 entries under adjective topic. ×

4
safe
4
secure
3
defensible
2
guarded
2
invulnerable
2
protected
1
impregnable
1
tenable
1
unassailable
0
accurate
0
allowable
0
ample
0
applicable
0
apposite
0
appropriate
0
apt
0
authoritative
0
cautious
0
civil
0
convenient
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APASmart Define. (2015). undefended thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/undefended/thesaurus/antonyms
ChicagoSmart Define. 2015. "undefended thesaurus" https://smartdefine.org/undefended/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, undefended thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/undefended/thesaurus/antonyms>.
MLASmart Define. "undefended thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/undefended/thesaurus/antonyms>