Another word for rat

Noun

One who betrays

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One who gives incriminating information about others

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A person who has defected

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Another word for rat

Verb

To abandon one's cause or party usually to join another

Idioms:

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To be treacherous to.

Idioms:

sell-down-the-river

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To give incriminating information about others, especially to the authorities

Idioms:

blow-the-whistle

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© Roget’s II: The New Thesaurus Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.

Another word for rat

Noun

A rodent

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*A deserter or betrayer

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© WEBSTER’S NEW WORLD® ROGET’S A-Z THESAURUS by Charlton Laird and the editors of Webster’s New World dictionaries. Copyright © 1999 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.