stupid

lacking intelligence or common sense; foolish

tonto, estúpido, idiota

• be stupid about something

Collocations stupid mistake · stupid idea

• He made a stupid mistake.

  Hizo un error tonto.

used to insult someone by saying that they are not intelligent or sensible

insultar llamando estúpido, llamar tonto a alguien

• call somebody stupid

Collocations stupid person · stupid comment

• She called him stupid.

  Ella lo llamó estúpido.

not sensible or wise; foolish

insensato, imprudente, tonto

• be stupid to do something

Collocations stupid decision · stupid action

• It would be stupid to go out in this weather.

  Sería tonto salir en este clima.