English > betrayer: 2 senses > noun 1, person | Meaning | One who reveals confidential information in return for money. |
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| Synonyms | informer, rat, squealer, blabber |
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| Narrower | fink, snitch, snitcher, stoolpigeon, stool pigeon, stoolie, sneak, sneaker, canary | someone acting as an informer or decoy for the police |
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| nark, copper's nark | An informer or spy working for the police |
| supergrass, grass | A police informer who implicates many people |
| Broader | informant, source | A person who supplies information |
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| Spanish | confidente, delator, informador |
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| Catalan | confident, delator, informador |
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| Verbs | betray | give away information about somebody |
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| betray | deliver to an enemy by treachery |