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Definition of grass

grass

/ɡræs/
grass

Plural:grasses
•
Adjective:grassy
•
Past Simple:grassed
•
Past Participle:grassed
•
Present Participle:grassing
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grass Lexical Profile

grass Game Scores & Validity

• noun

1

Vegetation consisting of typically short plants with long, narrow leaves, growing wild or cultivated on lawns and pasture.

Example

"The children spent the afternoon running barefoot through the tall green grass."


2

Marijuana, especially when prepared for recreational use.

Example

"The police dog sniffed out a hidden bag of grass under the driver's seat."


3

British A police informer or someone who reports the rule-breaking of others.

Example

"He was beaten up by the gang after they discovered he was a grass."

Synonyms
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• verb

1

British To inform the authorities or a person in charge about someone's criminal activity or wrongdoing.

Example

"He chose to grass on his accomplices in exchange for a lighter prison sentence."


2

To cover an area of land with grass or turf.

Example

"We decided to grass the muddy patch at the back of the garden to create a play area."


3

To feed livestock with grass or to put them in a pasture to graze.

Example

"The farmer grassed his cattle in the lower meadow during the spring months."

Synonyms
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• Rhymes for grass

Word Origin & Etymology

From Old English 'græs', of Germanic origin; related to Dutch 'gras' and German 'Gras', from an Indo-European root shared with 'grow' and 'green'. The British slang 'grass' (informer) derives from the rhyming slang 'grasshopper' for 'copper' or 'shopper'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Grass. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/grass
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