12 entries under feeble topic. ×

4
null(adjective, negative, inferior, inadequate)
2
worthless(adjective, weak, inferior, inadequate)
1
forceless(adjective, weak, inferior, inadequate, limited)
1
fruitless(adjective, weak, inferior, inadequate, limited)
1
ineffective(adjective, inferior, inadequate, limited)
1
ineffectual(adjective, inferior, inadequate, limited)
1
inoperative(adjective, weak, false, inferior, inadequate)
1
nugatory(adjective, weak, false, inferior, inadequate)
1
unfruitful(adjective, weak, inferior, inadequate, limited)
1
unsuccessful(adjective, weak, inferior, inadequate, limited)
1
useless(adjective, weak, inferior, inadequate, limited)
1
vain(adjective, weak, inferior, inadequate)
11 years ago|1.5k views|share |citing 
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>