WordNet sense 1 (constituting a separate entity or part):

discrete

WordNet sense 2 (independent; not united or joint):

separate, separate

WordNet sense 3 ((often followed by `from') not alike; different in nature or quality):

distinguishable

WordNet sense 4 (unlike in nature or quality or form or degree):

different

WordNet sense 5 (recognizable; marked):

decided

WordNet sense 6 (precise; explicit and clearly defined):

definite

WordNet sense 7 ((of something seen or heard) clearly defined):

sharp

WordNet sense 8 (clear and distinct to the senses; easily perceptible):

clean-cut, clear, clear-cut

WordNet sense 9 (having a clean and distinct outline as if precisely cut along the edges):

well-defined

WordNet sense 10 (clearly or sharply defined to the mind):

trenchant