1
negated(adjective, meaningless, invalid, unsubstantiated, unsupported)
1
no longer law(adjective, void, invalid, unsanctioned)
1
not binding
1
not valid(expression, idiom)
1
not viable(expression, adjective, void, invalid, unsubstantiated)
1
nugatory(adjective, weak, false, inferior, inadequate)
1
nullified(adjective, void, meaningless, invalid, unsubstantiated)
1
obsolete
1
of no effect(adjective, void, invalid, unsanctioned)
1
repealed
1
set aside(expression, adjective, void, invalid, unsubstantiated)
1
sterile(adjective, meaningless, invalid, unsubstantiated, unsupported)
1
unconfirmed(adjective, void, meaningless, invalid, unsubstantiated)
1
unenforceable(adjective, void, worthless, unacceptable, invalid)
1
unfruitful(adjective, weak, inferior, inadequate, limited)
1
unratified(adjective, void, meaningless, invalid, unsubstantiated)
1
unrelieved
1
unsanctioned(adjective, void, unsound, ineffective, ineffectual)
1
unsuccessful(adjective, weak, inferior, inadequate, limited)
1
useless(adjective, weak, inferior, inadequate, limited)
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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>