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 #47,773
bitterly Often describes crying or laughing with intense sadness or resentment.
SP: Lloró amargamente al despedirse.
EN: She cried bitterly as she said goodbye.

Lloró amargamente.

She wept bitterly.

Ayer vi a un hombre llorar amargamente.

Yesterday I saw a man crying bitterly.

Ella lloró amargamente.

She wept bitterly.

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)

Estoy seguro de que el difunto se estará riendo amargamente.

I'm sure the deceased is laughing bitterly.

— Vivir (1952)