to grass
- verb
- /ɡrɑːs/
- Slang
- If you grass on someone, you risk losing their trust forever.
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Watch on YouTubeBut he the main, main concern was it wasn't me that grassed Michael up.
- But he the main, main concern was it wasn't me that grassed Michael up.
- So in the end, some dude grass me up.
- And I tip my act to you for coming clean about grassing on your brother.
- And the sons grassed me up, OK, Wrote a statement saying I manipulated him, OK, Saying yeah, I, I, I made him feel included in the Essex Circle and.
Examples
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You did well for not grassing us to the police.
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Why, are you gonna grass me in again?
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If he grassed, why would he come back here?
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They want me to grass up a pal of mine.
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I've never grassed anyone up.
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Are you really going to grass on your friends again?
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She refused to grass on him, even when pressured by the police.
Synonyms
Tell a secret on purpose or by accident
To betray others by telling secret information about them
To tell the police or another authority about someone's bad action, betraying their trust
To secretly tell the police or a person in charge about someone's bad actions
To report to a person in charge that someone did something wrong so they get in trouble
Tell someone's secret to other people
Tell authorities about someone, often exposing them to punishment
To tell the police or a manager that someone did something wrong
Antonyms
Idioms
- Offensive
A person who pretends to be friendly but secretly harms or tricks you
- Informal
A very quiet place where even the smallest sounds seem noticeable
Phrasal Verbs
Compounds
- Informal
Ordinary people in a community who support or begin change at the local level
- Specialized
A green grass grown for health drinks, animal food, and to stop soil erosion
A grass that grows along the ground and is used for lawns and fields for animals
- UK
A European grass with long underground roots that spreads quickly and becomes a common weed
- Specialized
A tall North American grass that farmers cut for hay and to prevent soil erosion
A tough grass with strong roots that grows on sandy shores and stops sand dunes from moving
A low-growing plant that grows back each year with silvery undersides on its leaves
A tall grass that spreads quickly and often grows as a harmful weed sometimes used for animal feed
- US
A plant that lives for many years with long leaves like grass and tall stalks of white flowers
A tall decorative grass with long curved flower heads that people use in gardens
- Specialized
Grasses that grow in separate clumps instead of in one continuous area
- Australian
A coarse one-year grass that has long thin flower spikes and often grows as a weed
- Archaic
A woman whose husband is away for a long time, for example after divorce or separation
- Specialized
A long-lived grass like wild rice that grows in North America and is eaten by animals
A tall grass that lives for many years and grows in wet places like riverbanks and ditches
- UK
A common weed with long stems under the ground that spreads quickly through lawns
- UK
A strong plant that spreads quickly and is used for lawns and pastures in warm places
A grasslike plant with small edible parts under the ground that often grows as a weed
- US
A European grass that grows as a weed and has sharp seeds that can injure farm animals that eat it
- Australian
A fast-growing tough grass from East Africa used for lawns, grazing animals and stopping soil erosion
A small plant with narrow, grass-like leaves and blue flowers related to irises
- Specialized
A tall grass that grows in marshes near the sea and helps hold the soil
A tall rough grass from Europe and Asia that looks like oats and grows by roads and fields
- US
A grass from Europe that spreads quickly by stems under the ground and is a weed in North America
- Specialized
A common wild grass that grows in wet farm fields and that animals sometimes eat
A coarse grass like oats that stays green all year on roadsides and meadows
- UK
A common European frog that lives on land and in water and is often green or brown
A grass that has curved flower spikes and long stiff hairs under each small flower
How Betraying
Surface Forms
Etymology
Grass (British slang verb 'to inform') follows the noun 'grass' for an informer, so 'to grass' means 'to tell the police' about someone, which is why it means to betray or give information on others.