avisar

to let (someone) know, to notify

a b i ˈs a ɾ
avis warn + ar Infinitive
verb Rare #39,898
to let (someone) know, to notify Often used with an indirect object (me/te/le/nos/les): “Avisar a alguien (de algo)”.
SP: Te voy a avisar cuando llegues a casa.
EN: I’m going to let you know when you get home.
Conjugation of avisar
Imperative
SingularPlural
Second avísame avísenme
Third avise avisen
Past
Indicative present
SingularPlural
First aviso avisamos
Third avisa —
Subjunctive present
SingularPlural
First aviso avisamos
Third avisa —
Indicative future
SingularPlural
First avisaré —
Subjunctive future
SingularPlural
First avisaré —
Indicative past
SingularPlural
First avisé avisamos
Third avisó avisaron

Tom regañó a Mary por no llamar para avisar que llegaría tarde.

Tom scolded Mary for not calling to let him know she would be late.

Entonces fui a la Hacienda para avisar al Barón.

Then I went to the hacienda to notify the Baron.

— La cinta blanca (2009)

Una llamada para avisar, es todo lo que te pido, Samuel.

Just a call to let me know—that’s all I’m asking of you, Samuel.

— Mañana empieza todo (2016)

Y podríamos avisar para reducir las bajas de civiles.

And we could issue warnings to reduce civilian casualties.

— Oppenheimer (2023)

Ya le van a avisar.

They will let you know soon.

— Una mujer fantástica (2017)

Debió avisar que se iba.

He/She should have let us know they were leaving.

— A Taxi Driver: Los héroes de Gwangju (2017)