Synonyms of faultiness

1 Syllable
lack, dearth, flaw
2 Syllables
failing, blemish, drawback, weakness
3 Syllables
unfitness, deficit, inaptness, skimpiness, paucity, shortcoming, meagerness, scantiness, misconstrual, speciousness, spuriousness, fallacy, poverty, fallacies
4 Syllables
underage, imperfection, deficiency, defalcation
5 Syllables
incompleteness, inefficacy, unsuitableness, inadequacy, inadequacies, ineptitude, incompetence, inefficiency, incompetency, ineffectualness, incapacity, insufficiency, defectiveness
6 Syllables
inadequateness, ineffectiveness