The term "more nonspecific" refers to something that lacks clarity, precision or specificity. Its antonyms would be words that denote a high degree of clarity, specificity and precision. Such words include "exact," "specific," "definite," "clear-cut," "unambiguous," "unequivocal," "explicit," "precise" and "well-defined". These antonyms suggest a level of accuracy and detail that contrasts with the non-specific nature of the original term. So, while "more nonspecific" indicates a lack of clarity, its antonyms imply a high degree of precision and definiteness, providing a clearer and more accurate means of communication.