Clandestine
Defined in 3 dictionaries — Black's (1910), Anderson (1889), Bouvier (1839)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
Secret; hidden; concealed. The "clandestine importation" of goods is a term used in English statutes as equivalent to "smuggling." Keck v. U. S., 172 U. S. 434, 19 Sup. Ct 254, 48 In Ed. 505. A clandestine marriage is (legally) one contracted without observing the conditions precedent prescribed by law, such as publication of bans, procuring a license or the like.
A Dictionary of Law
William C. Anderson · 1889
See Convbyancb, 3, Fraudulent; Distress; Fraud.
A Law Dictionary, Adapted to the Constitution and Laws of the United States
John Bouvier · 1839
That which done in secret and contrary te but{law. Generally a clandestine act cases of the limitation of actions, will prevent the act from running.