Simple Definition of grub

from our Learner's Dictionary

grub

1 of 2

noun

plural grubs
1
: the young form of an insect in which it looks like a small worm
2
informal : food sense 1
Let's go get some grub.

grub

2 of 2

verb

grubs; grubbed; grubbing
1
: to dig in the ground for something that is difficult to find or remove
animals grubbing for roots
2
informal : to search for something : to try hard to get or find something
Everyone was grubbing for whatever food they could find.
students grubbing for better grades

Cite this Entry

“Grub.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/grub. Accessed 22 Jun. 2026.

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