Need another word that means the same as “treachery”? Find 18 synonyms and 30 related words for “treachery” in this overview.
The synonyms of “Treachery” are: betrayal, perfidy, treason, perfidiousness, disloyalty, faithlessness, unfaithfulness, infidelity, bad faith, breach of trust, duplicity, deceit, deceitfulness, deception, falseness, stab in the back, double-dealing, untrustworthiness
According to the Oxford Dictionary of English, “treachery” as a noun can have the following definitions:
bad faith | That which is below standard or expectations as of ethics or decency. |
betrayal | An act of deliberate betrayal. These developments represented a betrayal of democracy. |
breach of trust | An opening (especially a gap in a dike or fortification. |
deceit | A misleading falsehood. A web of deceit. |
deceitfulness | The quality of being crafty. |
deception | A misleading falsehood. Obtaining property by deception. |
disloyalty | The quality of being disloyal. An accusation of disloyalty and betrayal. |
double-dealing | Acting in bad faith; deception by pretending to entertain one set of intentions while acting under the influence of another. |
duplicity | A fraudulent or duplicitous representation. The president was accused of duplicity in his dealings with Congress. |
faithlessness | Unfaithfulness by virtue of being unreliable or treacherous. |
falseness | The quality of not being open or truthful; deceitful or hypocritical. |
infidelity | Disbelief in a particular religion, especially Christianity. Her infidelity continued after her marriage. |
perfidiousness | Betrayal of a trust. |
perfidy | Betrayal of a trust. It was an example of his perfidy. |
stab in the back | Informal words for any attempt or effort. |
treason | Disloyalty by virtue of subversive behavior. They were convicted of treason. |
unfaithfulness | The quality of being unfaithful. |
untrustworthiness | The trait of not deserving trust or confidence. |
apostasy | The act of abandoning a party for cause. The execution of their leader for apostasy brought widespread criticism. |
betray | Reveal unintentionally. Her smile betrayed her true feelings. |
betrayal | An act of deliberate betrayal. These developments represented a betrayal of democracy. |
betrayer | A person who says one thing and does another. |
cheat | An act of cheating a fraud or deception. We were cheated by their clever sounding scheme. |
cheating | Violating accepted standards or rules. |
deceive | Cause someone to believe an untruth. The insurance company deceived me when they told me they were covering my house. |
defection | Withdrawing support or help despite allegiance or responsibility. His defection from the Labour Party. |
defector | A person who abandons their duty (as on a military post. Staff interviewed escapees and defectors to the West. |
disloyal | (of a remark or thought) demonstrating a lack of loyalty. Disloyal mutterings about his leadership. |
disloyalty | The quality of being disloyal. An accusation of disloyalty and betrayal. |
duplicity | A fraudulent or duplicitous representation. The president was accused of duplicity in his dealings with Congress. |
faithless | Disloyal, especially to a spouse or partner. The faithless Benedict Arnold. |
fraudulence | The quality of being fraudulent. |
infidelity | The action or state of being unfaithful to a spouse or other sexual partner. Her infidelity continued after her marriage. |
insubordination | Defiance of authority; refusal to obey orders. He was dismissed for insubordination. |
mutineer | A person, especially a soldier or sailor, who rebels or refuses to obey the orders of a person in authority. Those who resisted were denounced as mutineers and treated accordingly. |
mutiny | Engage in a mutiny against an authority. A mutiny by those manning the weapons could trigger a global war. |
perfidious | Deceitful and untrustworthy. A perfidious lover. |
perfidy | The state of being deceitful and untrustworthy. It was an example of his perfidy. |
quisling | Someone who collaborates with an enemy occupying force. He had the Quisling owner of the factory arrested. |
rebel | Take part in a rebellion renounce a former allegiance. Tory rebels. |
renegade | Become a renegade. A renegade bodyguard. |
traitor | A person who says one thing and does another. He was a traitor to his own class. |
traitorous | Relating to or characteristic of a traitor; treacherous. When his traitorous actions were discovered he was imprisoned. |
treacherous | Tending to betray especially having a treacherous character as attributed to the Carthaginians by the Romans. Memory is particularly treacherous. |
treason | Disloyalty by virtue of subversive behavior. Doubt is the ultimate treason against faith. |
treasonable | (of an offence or offender) punishable as treason or as committing treason. There was no evidence of treasonable activity. |
trick | A clever or particular way of doing something. He did conjuring tricks for his daughters. |
turncoat | A disloyal person who betrays or deserts his cause or religion or political party or friend etc. They denounced him as a turncoat. |
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