Lewis & Short

Alcĭbĭădes, is, m. (gen. Alcibiadi, Arn. adv. Gent. 6, p. 198; voc. Gr. Alcibiadē, Liv. 39, 36), = Ἀλκιβιάδης.

  1. I. An Athenian general in the time of the Peloponnesian war, distinguished for his beauty, wealth, and natural endowments, as well as for his changing fortunes and want of fixed principle, Cic. de Or. 2, 22; id. Tusc. 3, 22 (his life, v. in Plut., Nep., and Just.).
    Hence, * Alcĭbĭădēus, a, um, adj., pertaining to him, Arn. 6, p. 198.
  2. II. The name of a later Greek in the time of the war with the Romans, Liv. 39, 36.