Not having religious faith
Not safe from danger
Full of or involving peril; dangerous or risky.
Giving safety; reducing danger or harm
Causing danger; ready to do harm or injury.
Relating to, constituting, or involving treason:
Deceiving or intended to deceive
Not easy to persuade or convince; stubborn.
Contrary to fact or truth:
The definition of precarious is something dependent on forces or circumstances outside one's control.
Involving risk; hazardous; dangerous
Having or demonstrating undivided and constant support for someone or something.
Marked by or displaying integrity; upright:
Direct and without evasion; straightforward:
Characterized by perfidy; treacherous
Having the character of a traitor; disloyal
(Scot.) Bringing good luck
Marked by danger; perilous.
Marked by or exhibiting a lack of reliability.
Tending to mislead; deceptive.
The definition of deceitful is someone or something intentionally untruthful or intended to mislead.
The definition of unstable is something that is prone to changing often, or a person with wild mood swings.
Not firm, substantial, or secure; weak, unsound, or unsteady
Needing careful handling; precarious; delicate
Of or being an omen, especially an evil one.
(Signal processing, of a communication protocol) Such that either a sent packet will reach its destination, even if it requires retransmission, or the sender will be told that it didn't
The definition of dependable is someone or something who is reliable and trustworthy or who can be counted on.
Extremely unfortunate or regrettable:
The definition of dishonest is a person who cheats or lies.
Beguiling but harmful; alluring:
Cunningly treacherous or evil
Full of wiles; crafty; sly
Not causing or incapable of causing harm.
Not agreeing with a standard, rule, or measure
Not true to duty or obligation
Managing for an owner; acting as trustee
Like or characteristic of the Carthaginians, regarded by the Romans as faithless and treacherous
Find another word for treacherous. In this page you can discover 67 synonyms, antonyms, idiomatic expressions, and related words for treacherous, like: unfaithful, insecure, perilous, safety, dangerous, recreant, undependable, treasonable, deceptive, difficult and faithless.