Unspecified refers to something that is not specifically identified or defined. The antonyms for unspecified could be explicit, clear, specific, well-defined, apparent or manifest. These are opposite words that denote that something is distinct, detailed, and precisely defined. With an explicit or clear understanding of what is required or desired, you can effectively communicate with others and achieve your goals more efficiently. Moreover, being specific or well-defined helps in avoiding confusion and ambiguity. Therefore, in situations that require clear and precise communication, using antonyms for unspecified can be helpful to ensure that everyone involved understands what is being conveyed.