1. (a.) Marking or expressing distinction or difference; distinguishing; characteristic; peculiar.

2. (a.) Having the power to distinguish and discern; discriminating.

accurate appreciative appropriate articulate audible categorical characteristic characterizing classificational classificatory clear contrastive critical defining definite delicate denominative diacritical diagnostic differencing differential differentiative discrete discriminate discriminating discriminative distinct distinguished distinguishing divisional divisionary exact exemplary fastidious fine hearable hi-fi high-fidelity idiocratic idiosyncratic in character individual individualizing individuating intrinsic marked natural naturalistic nice normal ordinal particular peculiar personalizing plain precise proper quintessential realistic refined regular sample selective sensitive separate separative several single singular special specific subdivisional subtle tactful taxonomic true to form true to type typal typic typical unique usual