1. the thick-bodied, sluggish larva of several insects, as of a scarab beetle.
2. a dull, plodding person; drudge.
3. an unkempt person.
4. Slang. food; victuals.
5. any remaining roots or stumps after cutting vegetation to clear land for farming.
verb (used with object), grubbed, grubbing.
6. to dig; clear of roots, stumps, etc.
7. to dig up by the roots; uproot (often followed by up or out).
8. Slang. to supply with food; feed.
9. Slang. to scrounge: to grub a cigarette.
verb (used without object), grubbed, grubbing.
10. to dig; search by or as if by digging: We grubbed through piles of old junk to find the deed.
11. to lead a laborious or groveling life; drudge: It's wonderful to have money after having to grub for so many years.
12. to engage in laborious study.
13. Slang. to eat; take food.
Origin: 1250-1300; Middle English grubbe (noun), grubben (v.); akin to Old High German grubilōn to dig, German grübeln to rack (the brain), Old Norse gryfia hole, pit; see grave, groove
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