crabgrass
noun
crab·grass
ˈkrab-ˌgras 
: a grass (especially Digitaria sanguinalis) that has creeping or decumbent stems which root freely at the nodes and that is often a pest in turf or cultivated lands
Examples of crabgrass in a Sentence
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The second category is weeds; these are usually Japanese stiltgrass, crabgrass, and other annual grasses, but there are also perennial weed grasses, such as orchardgrass and quackgrass.
—
Nadia Hassani, The Spruce, 23 May 2026
But the grass seed failed to take, and by fall, the only green left was thistles and crabgrass.
—Maggie Slepian, Longreads, 14 May 2026
The lawnmower will disperse the seeds of crabgrass, dandelions, and any other weeds that are allowed to go to seed.
—Brandee Gruener, Southern Living, 9 May 2026
Often more expensive than chemical preemergent crabgrass control, the effectiveness of corn gluten meal improves with every year it is used on a lawn.
—Megan Hughes, Better Homes & Gardens, 5 Apr. 2026
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Nadia Hassani, The Spruce, 23 May 2026
But the grass seed failed to take, and by fall, the only green left was thistles and crabgrass.
—Maggie Slepian, Longreads, 14 May 2026
The lawnmower will disperse the seeds of crabgrass, dandelions, and any other weeds that are allowed to go to seed.
—Brandee Gruener, Southern Living, 9 May 2026
Often more expensive than chemical preemergent crabgrass control, the effectiveness of corn gluten meal improves with every year it is used on a lawn.
—Megan Hughes, Better Homes & Gardens, 5 Apr. 2026
See All Example Sentences for crabgrass
Cite this Entry
“Crabgrass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crabgrass. Accessed 4 Jun. 2026.
Copy CitationKids Definition
crabgrass
noun
crab·grass
ˈkrab-ˌgras
: a weedy grass with creeping or sprawling stems that root freely at the nodes
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