Defective Defective synonyms faulty defective and faulty imperfect defective and imperfect deficient defective and deficient inadequate defective and inadequate bad defective and bad flawed defective and flawed insufficient defective and insufficient incomplete defective and incomplete lacking defective and lacking unsound defective and unsound Full list of synonyms (978) Defective antonyms perfect defective and perfect flawless defective and flawless faultless defective and faultless adequate defective and adequate working defective and working impeccable defective and impeccable complete defective and complete intact defective and intact whole defective and whole excellent defective and excellent Full list of antonyms (24) Share this picture Share this image Share this picture Share this image