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Definition of crabgrass

crabgrass

/ˈkræbˌɡræs/
crab · grass
Plural:crabgrasses
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crabgrass Lexical Profile

crabgrass Game Scores & Validity

• noun

1

A coarse, fast-growing creeping grass (genus Digitaria) that is native to warm-temperate and tropical regions, widely considered a pervasive and stubborn weed in cultivated lawns and agricultural fields.

Example

"The homeowner spent the entire weekend trying to eradicate the crabgrass that had aggressively overtaken the front lawn."

Synonyms
View all synonyms for crabgrass

• Nearby Words

crab
crabapple
crabcake
crabgrass
crabtree
cracker
cradle

Word Origin & Etymology

Derived from 'crab' and 'grass', so named in the mid-18th century because of its low, sprawling, creeping stems that root at the joints, resembling the legs of a crab.

Cite this Entry

Wordmom. (2026). Definition of Crabgrass. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/crabgrass
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