A.unpremeditated, Arist.EN1135b11; “λόγοι” Thphr. Char.3.1; not deliberated upon, D.H.4.72, J.BJ3.5.6.
II. Act., without forethought or premeditation, Arist.EN1151a3, Ceb.8. Adv. “-τως” Pl.Lg.867a, 867b; ἀ. τοῦ ἀποκτεῖναι without purpose of . ., ib.866e.