Synonyms of flawed

1 Syllable
sans, out
2 Syllables
lacking, untrue, amiss, faulty, faultier, flubbed, snafued, glitched, unsound, specious, false
3 Syllables
improper, damaged, incorrect, erroneous, mistaken, deficient, unfitting, unbacked, unseemly, impaired, inexact
4 Syllables
unreliable, unsuitable, untenable, defective, imprecise, malfunctional, counterfactual, dysfunctional
5 Syllables
inappropriate, inaccurate, unretentive, maladaptive