Acrimoniously

caustic, stinging, or bitter in nature, speech, behavior, etc.:
an acrimonious answer; an acrimonious dispute.
historical examples

“tell it to whom you like, my good man,” replied brigitte, acrimoniously.
the lesser bourgeoisie honore de balzac

i do not mean to intimate that the subject absolutely and acrimoniously annoyed our hero.
miss ravenel’s conversion from secession to loyalty j. w. de forest

but nolan was regarding him acrimoniously, and clayton apparently had not heard at all.
dangerous days mary roberts rinehart

dr. sutherland chivalrously -ssumed the sole authorship, and was acrimoniously attacked by some of his professional brethren.
the life of florence nightingale vol. 2 of 2 edward tyas cook

“hain’t got no business stirrin’ us up like this for nothin’,” said atwell, acrimoniously.
scattergood baines clarence budington kelland

adjective
characterized by bitterness or sharpness of manner, speech, temper, etc
adj.

1610s, “acrid,” from french acrimonieux, from medieval latin acrimoniosus, from latin acrimonia (see acrimony). of dispositions, debates, etc., from 1775. related: acrimoniously; acrimoniousness.