How to Say "deceiver" in Spanish
The Spanish word for “deceiver” is “mentirosa” — B1 level. This is a very common word in everyday Spanish.
English → SpanishB1
NounB1
Someone who misleads others

Examples
No le creas; ella es una mentirosa terrible.
Don't believe her; she is a terrible liar.
Me llamó mentirosa solo porque olvidé la cita.
She called me a liar just because I forgot the appointment.
La niña se disculpó por ser una mentirosa con sus padres.
The girl apologized for being a fibber to her parents.
Gender Match
This word is exclusively feminine. It must be used when talking about a female person. For a male person, use 'mentiroso'.
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