adverb
Etymology: Middle English, from Old English biterlice, from biter + -lice -ly
: in a bitter manner
spoke bitterly
: to a bitter degree
bitterly exhausted
adverb
Etymology: Middle English, from Old English biterlice, from biter + -lice -ly
: in a bitter manner
spoke bitterly
: to a bitter degree
bitterly exhausted
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012