Lewis & Short

(cunctātus, a, um, formerly assumed as P. a. of cunctor; in comp., Plin. Ep. 2, 16, 4; Suet. Caes. 60; Tac. A. 1, 71; but in all these passages recent edd. read cunctantior, cunctantius; v. cunctor, P. a. and adv.)