lamentar

to regret; to be sorry (about)

l a m e n ˈt a ɾ

lament to regret; to be sorry (about) + ar Infinitive

verb Rare #25,337

to regret; to be sorry (about) Commonly used to express regret or apology; can be followed by a clause ("Lamento que...") or a noun/infinitive.

SP: Yo voy a lamentar lo que pasó.

EN: I am going to regret what happened.

Conjugation of lamentar

Indicative present

	Singular	Plural
First	lamento	lamentamos
Third	lamenta	—

Subjunctive present

	Singular	Plural
First	lamento	lamentamos
Third	lamenta	—

Indicative past

	Singular	Plural
First	lamenté	lamentamos
Third	lamentó	—

lamentarlamentarlo lamentarse

Imperative

	Singular	Plural
Second	lamenta	—
Third	lamente	—

Indicative future

	Singular	Plural
Second	lamentarás	—
Third	lamentará	—

Subjunctive future

	Singular	Plural
Second	lamentarás	—
Third	lamentará	—

Tom no quería hacer nada que pudiera lamentar.

Tom didn't want to do anything he might regret.

No tienes que lamentar nada.

You have nothing to regret.

— Sin conexión (2025)

Sé que voy a lamentar esto.

I know I’m going to regret this.

No hagas nada que vayas a lamentar.

Don’t do anything you’ll regret.

Vas a lamentar esto en la mañana.

You’ll regret this in the morning.

Mejor prevenir que lamentar.

Better safe than sorry.

— Un día de furia (1993)

Si Tom termina con María, lo va a lamentar.

If Tom breaks up with María, he'll regret it.

En cuanto a ti, Joao el grillo, deberías lamentar tus trucos.

As for you, Joao the cricket, you should regret your tricks.

— O Auto da Compadecida (2000)

Te prometo que no lo vas a lamentar.

I promise you won't regret it.

Yo no suelo mirar atrás y lamentar lo que he hecho.

I don't usually look back and regret what I've done.

O lo vas a lamentar muchísimo.

Or you're going to regret it a lot.

— Bullet Train (2022)

Más vale prevenir que lamentar.

Prevention is better than cure.