Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
cuncto, āre, 1, v. n. (ante-class. collat. form of cunctor), to delay, hesitate, Enn. ap. Non. p. 469, 27 (Com. Rel. v. 3 Vahl.): cunctas? intus alii festinant, Plaut. Cas. 4, 2, 13: cunctant subferre laborem, Att. ap. Non. p. 469, 24 (Trag. Rel. v. 72 Rib.).