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a/the liar is not believed when he tells the truth
proverb A person who gains a reputation for being dishonest will not be believed about anything, even the truth. You've become so adept at taking advantage of your friends' goodwill, that you're going to run into trouble should you even genuinely need help. The liar is not believed when he tells the truth. You need to stop spinning these tall tales, Frankie, or people will start believing you to be nothing but a liar—and a liar is not believed even when he tells the truth.
One who tells blatantly obvious or impudent untruths easily and with little or no attempt to disguise the lie. Everyone knows he is just a bald-faced liar. It's a wonder anyone believes a thing he says anymore.
See also: liar
One who tells blatantly obvious or impudent untruths easily and with little or no attempt to disguise the lie. Everyone knows he is just a barefaced liar. It's a wonder anyone believes a thing he says anymore.
One who tells blatantly obvious and/or impudent untruths easily and with little or no attempt to disguise the lie. Everyone knows he is just a bold-faced liar. It's a wonder anyone believes a thing he says anymore.
See also: liar
Liar, liar, pants on fire!
A childhood taunt said to someone who is believed to be lying. A: "Liar, liar, pants on fire!" A: "No, my mom is really a magical princess, I swear!" A: "I swear I didn't take that money!" B: "Liar, liar, pants on fire—I saw you take it from Mom's purse this morning!"
liars need good memories
proverb If you're going to lie successfully, you need to be able to remember and keep track of your lies. You always get yourself into trouble because you don't remember the lies you've already told people. Liars need good memories, man.
the devil is a liar
Used as a harsh repudiation of some statement, stance, or opinion as being a lie or deception. I was told I would never make it in this industry, but the devil is a liar! A: "Tom here says you were the one who took the money." B: "The devil is a liar! I never touched that money, and he knows it!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
liar is not believed (even) when he tells the truth
Prov. If people think that you are a liar, they will not believe anything you say. As it turned out, Fred was right when he warned his friends that the police were planning to raid their party; but they paid no attention to him, since they knew him to be a liar, and a liar is not believed even when he tells the truth.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
A shamelessly bold untruth/prevaricator. Bare here means bold-faced or brazen, but one writer speculates that barefaced, which dates from the late sixteenth century, originally meant “beardless,” a condition perhaps considered audacious in all but the youngest men. In any event, by the late seventeenth century it also meant bold and became attached to lie in succeeding years. See also naked truth.
liar, liar, pants on fire
A schoolyard taunt to someone suspected of prevaricating. It also is used by adults, although not usually in a serious sense. However, former New York mayor Edward I. Koch, berating politicians who failed to sign on to remake the state’s ineffective government, said, “You’re either on the side of the angels, or you’re a bum. And if the angels betray their pledges, I’m going to run around the state screaming, ‘Liar, liar, pants on fire!’” (New York Times, August 8, 2010). And a cartoon by Mike Luckovich shows one character with flames on his pants, saying “The evidence is overwhelming, global warming’s real . . .” while the other replies, “Liar, liar, pants on fire” (Boston Globe, July 23, 2010).
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer