tú decile

tell him, tell her, tell it (to him/her/it)

→ decir
deci singular imperative + le 3rd-person singular indirect object
verb · second singular · imperative Rare #40,537
tell him, tell her, tell it (to him/her/it) Formal/older spelling of the command «decirle» (used with «usted»).
SP: Decile que llego tarde, por favor.
EN: Tell him/her that I'm arriving late, please.
Conjugation of decir

Por favor, decile algo.

Please say something to him.

— Relatos salvajes (2014)

Andá a despertar a Tom y decile que el desayuno está listo.

Go wake Tom up and tell him breakfast is ready.

Si llama, decile que estoy ocupada.

If he calls, tell him I'm busy.

Decile que estoy escuchando música.

Tell him I'm listening to music.

Decile no al odio y a la violencia.

Say no to hate and violence.

Decile al taxista que maneje más rápido.

Tell the taxi driver to drive faster.