Part of speech:
Not having religious faith
Not safe from danger
Full of or involving peril; dangerous or risky.
Relating to, constituting, or involving treason:
Deceiving or tending to deceive:
Involving risk; hazardous; dangerous
Tending to mislead; deceptive.
The definition of deceitful is someone or something intentionally untruthful or intended to mislead.
Contrary to fact or truth:
The definition of precarious is something dependent on forces or circumstances outside one's control.
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.
(Scot.) Bringing good luck
Extremely unfortunate or regrettable:
The definition of dishonest is a person who cheats or lies.
Not loyal or faithful; faithless
Depending on chance; risky.
Beguiling but harmful; alluring:
Of, relating to, or marked by perfidy; treacherous.
Cunningly treacherous or evil
Of, or having the nature of, a traitor; treacherous; faithless
Marked by or exhibiting a lack of reliability.
Full of wiles; crafty; sly
Not causing or incapable of causing harm.
Direct and without evasion; straightforward:
Marked by or displaying integrity; upright:
Having or demonstrating undivided and constant support for someone or something.
Not agreeing with a standard, rule, or measure
Not true to duty or obligation
Managing for an owner; acting as trustee
Giving safety; reducing danger or harm
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 64 synonyms, antonyms, idiomatic expressions, and related words for treacherous, like: unfaithful, insecure, perilous, treasonable, faithless, deceptive, undependable, dangerous, risky, misleading and tricky.