I . a.
1.
Particular, special, separate, single, one, unique.
2.
Peculiar to one alone, one's own, peculiar, personal.
3.
Full of character, positive, decided, self-guided, unconventional, independent, unique, sui generis .
II . n.
1.
Person, personage, character, being, somebody, some one.
2.
Unit, single instance, particular one or object.
3.
Person ( in the high or emphatic sense ), person full of character, self-directed being, self-determined being.