adj. & n.
adj. 1 single. 2 particular, special; not general. 3 having a distinct character. 4 characteristic of a particular person. 5 designed for use by one person.
n. 1 a single member of a class. 2 a single human being as distinct from a family or group. 3 colloq. a person (a most unpleasant individual).
[ ME, = indivisible, f. med.L individualis (as IN-(1), dividuus f. dividere DIVIDE) ]