n. 1 larva of an insect. 2 colloq. food. v. (bb) 1 dig superficially. 2 (foll. by up, out) a extract by digging. b extract (information etc.) by searching in books etc. 3 rummage. [Old English] grubby adj. (ier, lest) 1 dirty. 2 of or infested with grubs. grubbily adv. grubbiness n.