ungueltiger

Ungueltiger is a German adjective that translates to "invalid" or "void" in English. It is used to describe something that is not legally or officially valid, or that lacks force or effect. For example, a contract that is ungueltiger might be one that has not been properly signed or witnessed, or one that contains terms that are illegal. Similarly, a ticket or a coupon that is ungueltiger would not be accepted because it has expired or is otherwise no longer valid. The term can also be used in a more general sense to describe something that is faulty, defective, or incorrect, such as an ungueltiger attempt at a task or an ungueltiger calculation. In computing, an ungueltiger input might refer to data that does not conform to the expected format or constraints, leading to an error or rejection. The opposite of ungueltiger is typically gueltig, meaning valid or effective.