amargamente

bitterly

a ˌm a ɾ ɡ a ˈm e n t e
amarg bitter + a Feminine singular + mente forms adverbs meaning “in a … manner”
adverb Rare #47,698
bitterly Often describes crying or laughing with intense sadness or resentment.
SP: Lloró amargamente al despedirse.
EN: She cried bitterly as she said goodbye.

Ella lloró amargamente.

She wept bitterly.

Lloró amargamente.

She wept bitterly.

Estoy seguro de que el difunto se estará riendo amargamente.

I'm sure the deceased is laughing bitterly.

— Vivir (1952)

Con un hombre y me he arrepentido amargamente desde entonces.

With one man, and I've bitterly regretted it ever since.

— La historia de David Copperfield (2019)

Ayer vi a un hombre llorar amargamente.

Yesterday I saw a man crying bitterly.