advertirle

to warn him, her, or you (formally)

→ advertir
advert to warn, to alert + ir Infinitive + le to him/her or to usted
verb Rare #41,180
to warn him, her, or you (formally) The pronoun le refers to the person being warned.
SP: Voy a advertirle del peligro.
EN: I'm going to warn him about the danger.
Conjugation of advertir
Indicative past
SingularPlural
First advertí —
Second advertiste —
Third advirtió advirtieron
Indicative present
SingularPlural
First advierto —
Subjunctive present
SingularPlural
First advierto —
Past
advertiradvertirteadvertirle

Tom trató de advertirle a Mary, pero ella lo ignoró.

Tom tried to warn Mary, but she ignored him.

Intenté advertirle y no me dejó.

I tried to warn him, but he wouldn't let me.

— Las Travesuras de una Sirena (2016)

Debemos advertirle.

We must warn him.

— Drácula (2025)

Debo advertirle.

I must warn you.

No puedes advertirle.

You can't warn him.

— Perfectos desconocidos (2016)

Quería advertirle a Tom.

I wanted to warn Tom.