bitterly
adv. manneradv. in a way that shows strong anger, sadness, or disappointment. You can also use it to describe weather that is painfully cold.
adv. in an intense manner characterized by resentment, grief, or extreme physical discomfort. Often functions as an intensifier for adjectives related to disappointment or cold temperatures.
They argued bitterly about the money.
The losing candidate was bitterly disappointed by the election results after leading in the polls for weeks.
The wind blew bitterly across the frozen tundra, forcing the researchers to abandon their outdoor equipment and seek immediate shelter within the reinforced base.
From Middle English bitterli, biterli, biterliche, from Old English biterlīċe, bitterlīċe (“bitterly”), equivalent to bitter + -ly. Cognate with German Low German bitterlik (“bitterly”), German bitterlich (“bitterly”), Swedish bitterligen (“bitterly”).
Commonly collocates with 'cold', 'disappointed', 'resentful', or 'divided'.
It was a bitter cold dayIt was a bitterly cold dayWhen modifying an adjective like 'cold', the adverbial form 'bitterly' must be used instead of the adjective 'bitter'.