Lewis & Short

Sĭnōpē, ēs (or -a, ae; cf. Zumpt ad Cic. Verr. 2, 1, 34, § 87, p. 166), f., = Σινώπη.

  1. I. A famous Greek colony in Paphlagonia, on the Euxine, the birthplace of Diogenes the Cynic and residence of Mithridates, now Sinoub, Mel. 1, 19, 9; Plin. 6, 2, 2, § 6; Cic. Verr. 2, 1, 34, § 87; id. Imp. Pomp. 8, 21; Tac. H. 4, 83 sq. al.: Sinopae, Cic. Agr. 2, 20, 53.
    Hence,
      1. 1. Sĭnōpensis, e, adj., of or belonging to Sinope: colonia, Dig. 50, 15, 1 fin.
        Plur. subst.:         Sĭnōpenses, ĭum, m., the inhabitants of Sinope, Liv. 40, 2; Tac. H. 4, 83 fin.
      2. 2. Sĭnōpeus, a, um, adj., = Σινωπεύς, of Sinope, Plaut. Curc. 3, 72: Cynicus, i. e. Diogenes, Ov. P. 1, 3, 67.
      3. 3. Sĭnōpĭcus, a, um, adj., of Sinope: minium, Cels. 5, 6; 6, 6, 19.
      4. 4. Sĭnōpis, ĭdis, f. (sc. terra), a kind of red ochre found in Sinope, and used for coloring, Plin. 35, 6, 13, § 31; Vitr. 7, 7; Veg. 2, 16, 3 and 5.
  2. II. An earlier name for the town of Sinuessa, Liv. 10, 21, 8.