Ăr'rep-tĭ'tious, a.
(-tĭsh'us), a. [Lat. arreptitius, from arreptus, p. p. of arripere, to seize, snatch, from ad and rapere, to snatch. See RAPACIOUS.]
Sense 1. Snatched away; seized or possessed; — applied to a demoniac; and hence, irrational, insane. [Obs.] “Odd, arreptitious, frantic extravagances.” Howell.
Sense 2. [Lat. ad and repere, to creep, q. v.] Crept in privily. [Obs.] Bailey.