40 entries under adjective topic. ×

4
void(negative, inferior, useless, meaningless)
4
invalid(void, unsound, worthless, unacceptable)
4
null(negative, inferior, inadequate, feeble)
2
bad(false, unreasonable, unsound, unacceptable)
2
worthless(weak, inferior, inadequate, feeble)
1
annulled(invalid, canceled)
1
avoided(meaningless, invalid, unsubstantiated, unsupported)
1
cancelled out(void, invalid, unsanctioned)
1
dead(negative, absent, invalid, vacant)
1
forceless(weak, inferior, inadequate, limited)
1
fruitless(weak, inferior, inadequate, limited)
1
idle
1
ineffective(inferior, inadequate, limited, feeble)
1
ineffectual(inferior, inadequate, limited, feeble)
1
inefficacious
1
inoperative(weak, false, inferior, inadequate)
1
negated(meaningless, invalid, unsubstantiated, unsupported)
1
no longer law(void, invalid, unsanctioned)
1
not binding
1
not viable(expression, void, invalid, unsubstantiated)
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APASmart Define. (2015). null and void thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/null_and_void/thesaurus/synonyms
ChicagoSmart Define. 2015. "null and void thesaurus" https://smartdefine.org/null_and_void/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, null and void thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/null_and_void/thesaurus/synonyms>.
MLASmart Define. "null and void thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/null_and_void/thesaurus/synonyms>