grub(noun, verb) noun1. informal terms for a mealSimilar word(s): chow, chuck, eatsDefinition categories: food, fare2. a soft thick wormlike larva of certain beetles and other insectsDefinition categories: animal, larva verb1. ask for and get free; be a parasiteSimilar word(s): bum, cadge, mooch, spongeDefinition categories: possession, obtain2. search about busilyDefinition categories: contact, search, seekSentences with grub as a verb:- to grub up trees, rushes, or sedge