treachery

[trech-uh-ree]

See more synonyms for treachery on Thesaurus.com

noun, plural treach·er·ies.

violation of faith; betrayal of trust; treason.
an act of perfidy, faithlessness, or treason.

Origin of treachery

1175–1225; Middle English trecherie < Middle French, Old French, equivalent to trech(ier) to deceive + -erie -ery

Synonym study

1. See disloyalty.

Antonyms

1. loyalty.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for treachery

Contemporary Examples

His treachery, however, had been skillfully concealed for years.
The Castration of Alan Turing, Britain’s Code-Breaking WWII Hero
Clive Irving
November 29, 2014
Through its wrenching, eventually exhausting series of betrayals, Game of Thrones asks, “Is treachery unavoidable?”
Daenerys Goes to Washington: The Modern Politics of ‘Game of Thrones’
Jedediah Purdy
April 8, 2014
There is a short fuse and a certain explosion at the end of this piece of treachery.
Cut the Baloney on Ukraine
Leslie H. Gelb
March 9, 2014
Immediately, the hardline settlers were quick to accuse their own elected officials of all sorts of treachery.
Leaving the Settlements
Samuel Lebens
May 6, 2013
“[C]owardice is worse, treachery is worse, and simple selfishness is worse,” he said.
The Hemingway Lesson
Marty Beckerman
July 5, 2011

Historical Examples

How could Robert have learned anything of his treachery to his father?
Brave and Bold
Horatio Alger
I should like to meet him face to face, and charge him with his treachery.
Brave and Bold
Horatio Alger
He came a little toward the girl who had accused him of treachery.
Within the Law
Marvin Dana
It was not long before they had to pay a heavy penalty for their treachery and inconstancy.
Stories from Thucydides
H. L. Havell
It after wards appears that the scheme of Rumi-naui was one of treachery.
Apu Ollantay
Anonymous

British Dictionary definitions for treachery

treachery

noun plural -eries

the act or an instance of wilful betrayal
the disposition to betray

Word Origin

C13: from Old French trecherie, from trechier to cheat; compare trick

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for treachery

n.

early 13c., from Old French trecherie "deceit, cheating" (12c.), from trechier "to cheat, deceive" (see trick).

treachery

Origin of .css-1fxfie5{font-size:22px;}@media (max-width:768px){.css-1fxfie5{font-size:18px;margin:0 10px 10px 0;word-break:break-all;word-wrap:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;-ms-hyphens:auto;hyphens:auto;line-height:22px;}}treachery

Synonym study

Antonyms

Related Words

Examples from the Web for treachery

Contemporary Examples

His treachery, however, had been skillfully concealed for years.

Through its wrenching, eventually exhausting series of betrayals, Game of Thrones asks, “Is treachery unavoidable?”

There is a short fuse and a certain explosion at the end of this piece of treachery.

Immediately, the hardline settlers were quick to accuse their own elected officials of all sorts of treachery.

“[C]owardice is worse, treachery is worse, and simple selfishness is worse,” he said.

Historical Examples

How could Robert have learned anything of his treachery to his father?

I should like to meet him face to face, and charge him with his treachery.

He came a little toward the girl who had accused him of treachery.

It was not long before they had to pay a heavy penalty for their treachery and inconstancy.

It after wards appears that the scheme of Rumi-naui was one of treachery.

treachery

Word Origin

Word Origin and History for treachery

n.

Origin of treachery