canary
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Related to canary: Domestic Canary
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canary in a/the coal mine
Something or someone who, due to sensitivity to his, her, or its surroundings, acts as an indicator and early warning of possible adverse conditions or danger. Refers to the former practice of taking caged canaries into coal mines. The birds would die if methane gas became present and thereby alert miners to the danger. Wildlife in disaster movies assumes the role of the canary in the coal mine, fleeing the scene when catastrophe is imminent. Unaware that he had been given the test drug, John was used as a canary in the coal mine to see its effects on the human mind.
like the cat that got the cream
Obviously smug and/or overly pleased with oneself. After her promotion, Janet spent the rest of the day looking like the cat that got the cream.
look like the cat that ate the canary
1. To appear smug and/or overly pleased with oneself to others, especially over something one has done, received, or accomplished. After her promotion, Janet spent the rest of the day looking like the cat that ate the canary.
2. To have the appearance of guilt but attempt to hide behind an air of smugness or feigned nonchalance. When questioned on the use of campaign funds for his own personal pleasure, the senator looked like the cat that ate the canary.
look like the cat that swallowed the canary
1. To appear smug and/or overly pleased with oneself to others, especially over something one has done, received, or accomplished. After her promotion, Janet spent the rest of the day looking like the cat that swallowed the canary.
2. To have the appearance of guilt but attempt to hide behind an air of smugness or feigned nonchalance. When questioned on the use of campaign funds for his own personal pleasure, the senator looked like the cat that swallowed the canary.
miner's canary
Something or someone who, due to sensitivity to his, her, or its surroundings, acts as an indicator and early warning of possible adverse conditions or danger. Refers to the former practice of taking caged canaries into coal mines—the birds would die if methane gas was present, thereby alerting miners to the danger. Wildlife in disaster movies always acts like the miner's canary, fleeing the scene when catastrophe is imminent. John was used as a miner's canary to see the test drug's effects on the human mind.
See also: canary
sing like a canary
To inform against someone to the police or other authority about their criminal or illicit behavior. I heard Joey Malone has been singing like a canary in the hopes of getting his sentence reduced. Let's make sure he's sleeping with the fishes before he gets the chance!
the cat that ate the canary
Someone who is smugly pleased or self-satisfied. After her promotion, Janet spent the rest of the day looking like the cat that ate the canary. Look at those kids with their ice creams—the cats that ate the canaries!
the cat that swallowed the canary
Someone who is smugly pleased or self-satisfied. After her promotion, Janet spent the rest of the day looking like the cat that swallowed the canary. Look at those kids with their ice creams—the cats that swallowed the canaries!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
look like the cat that swallowed the canary
Fig. to appear as if one had just had a great success. After the meeting John looked like the cat that swallowed the canary. I knew he must have been a success. Your presentation must have gone well. You look like the cat that swallowed the canary.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
look like the cat that ate the canary
Also, look like the cat that swallowed the canary. Appear smug and self-satisfied. For example, After she hit her third winning shot, Jeannie looked like the cat that ate the canary. [Second half of 1800s]
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
like the cat that got the cream
BRITISH orlike the cat that ate the canary
AMERICANIf someone looks like the cat that got the cream, they look satisfied and happy with themselves because they have been successful or done something they are proud of. `Thanks a million,' he repeats, grinning like the cat that got the cream. Jules stands at one end, looking like the cat that ate the canary.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
canary
(kəˈnɛri)1. n. a female singer. The band had a cute canary who could really sing.
2. n. a capsule of Nembutal, a barbiturate. (Drugs. The capsule is yellow.) There are a couple of blues, which ought to do the same as canaries.
3. n. a police informer who sings to the police. (see also stool (pigeon).) Spike is no canary. He would never squeal on us.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
cat that swallowed the canary, (look) like the
Look both smug and guilty. The analogy dates back to the mid-nineteenth century and was used by many writers, especially mystery writers (Dashiel Hammett among them), in the first half of the twentieth century.
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer
the cat that ate the canary
Happy, often in a selfsatisfied way. Someone who was very pleased—and often smug—was compared to a house cat that figured out a way to liberate a pet bird from its cage and enjoy the aftermath.
Endangered Phrases by Steven D. Price Copyright © 2011 by Steven D. Price