How to Say “Liar” in Brazilian Portuguese

mentiroso
masculine
The Brazilian word for "liar" is mentiroso for a man and mentirosa for a woman. The word for "lie" is mentira.
Meaning: person who lies (noun)

Ways to say it

“liar” in Portuguese
Portuguese Note
mentiroso masculine
Mentirosa feminine
Mentira "lie"

The word also works as an adjective, so Ele é mentiroso means "he is a liar". The verb is mentir, as in Você mentiu para mim.

Which one should you use?

Saying Você é um mentiroso is a direct accusation. Brazilians often soften it with Isso é mentira, which attacks the statement and not the person.

Did you know?

  • Brazilians have a children's saying Mentira tem perna curta, "a lie has short legs", meaning lies are quickly caught.

Examples in context

  • Ele é um mentiroso.
    He is a liar.
  • Ela é muito mentirosa.
    She is a big liar.
  • Isso é mentira!
    That is a lie!

Example conversation

Júlia questions her friend Nando about a story he told in Recife.

  1. Júlia

    Você disse que foi à praia.
    You said you went to the beach.
  2. Nando

    Eu fui, sim.
    I did go.
  3. Júlia

    Mentiroso! Choveu o dia todo.
    Liar! It rained all day.
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Judy Janice
Judy JaniceHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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