The antonyms for the phrase "wast found lacking" can be plenty, such as abundant, ample, sufficient, satisfactory, suitable, competent, and so on. These words signify that a certain item or element possesses all the necessary qualities and quantities required for its purpose. The term "wast found lacking" assumes that there is a shortfall or inadequacy in the item being referred to. Antonyms like sufficient or satisfactory, on the other hand, imply that something is entirely capable of fulfilling its purpose. The use of these antonyms can help in conveying a sense of completeness, efficiency, and competence in the described subject through powerful and effective communication.