Synonyms of bitterly

2 Syllables
madly, sourly, sharply, hotly, crisply, crossly, wildly
3 Syllables
angrily, fiercely, furiously, heatedly, violently, testily, scathingly
4 Syllables
indignantly, savagely, irately, irritably, tempestuously
5 Syllables
infuriatedly