The antonyms for the term "wert vain" include words such as valuable, worthy, useful, meaningful, significant, important, purposeful, and productive. These antonyms suggest that something that is not vain is considered to have a definite purpose, value or usefulness. Hence, an action, deed or behavior which is not vain is motivated by good intentions and contributes to a positive outcome. In contrast, a vain action or behavior tends to be self-centered and lacking in value or worth. Therefore, understanding the antonyms for the term "wert vain" can help us to identify and avoid behaviors that are superficial, unproductive or self-aggrandizing.