Clan‐des″tine (?), a. [L. clandestinus, fr. clam secretly; akin to celare, E. conceal: cf. F. clandestin.] Conducted with secrecy; withdrawn from public notice, usually for an evil purpose; kept secret; hidden; private; underhand; as, a clandestine marriage. Locke.
Syn. — Hidden; secret; private; concealed; underhand; sly; stealthy; surreptitious; furtive; fraudulent.
— Clan‐des″tine‐ly, adv. — Clan‐des″tine‐ness, n.