Antonyms for the term 'being defective' include 'perfect', 'flawless', 'excellent', 'sound', 'intact', 'impeccable' and 'pristine'. These words suggest that the item or product is of high quality and free from any fault or imperfection. The opposite of being defective, these antonyms convey a sense of reliability and durability, with the ability to perform its intended function to the best of its abilities. Products that are not defective are more likely to meet consumer expectations, resulting in increased customer satisfaction and brand loyalty. In contrast, defective products can cause frustration, disappointment, and lost revenue for a company.