I. Adulterous: “liberi adulterino sanguinen nati,” Plin. 7, 2, 2, § 14; and of animals, not full-blooded: “pullus adulterinus et degener,” id. 10, 3, 3, § 10.—But oftener,
II. That has assumed the nature of something foreign (cf. the etym. of adulter), not genuine, false, counterfeit, impure: “symbolum,” a false seal, Plaut. Bacch. 2, 3. 32; cf. Paul. ex Fest. p 28 Müll.: adulterina signa dicuntur alienis anulis facta; “and Cic.: testamentum signis adulterinis obsignare, Clu. 14: nummus,” id. Off. 3, 23: “semina,” Varr. R. R. 1, 40: “claves,” Sall. J. 12.