tristemente

sadly

ˌt ɾ i s t e ˈm e n t e
triste sad + mente forms adverbs meaning “in a ... manner”
adverb Rare #43,335
sadly
SP: Tristemente, no puedo ir a tu fiesta.
EN: Sadly, I can't go to your party.

Tristemente, eso ahora no sucederá.

Sadly, that won't happen now.

— Hero (2002)

Sonriendo tristemente, comenzó a hablar.

Smiling sadly, he began to speak.

Es como tristemente famoso, ¿cierto?

It's kind of infamous, isn't it?

— Kajaki (2014)

Tristemente.

Sadly.

— Despedidas (2008)

Haciendo el trabajo de dos hombres, tristemente.

Doing the work of two men, sadly.

— La increíble historia de David Copperfield (2019)