Synonyms of drastically

1 Syllable
much
2 Syllables
highly, greatly, badly
3 Syllables
fearfully, markedly, mightily, gravely, seriously, frightfully, awfully, thoroughly, terribly, horribly, dreadfully
4 Syllables
exceedingly, remarkably, intensely, unhappily, notoriously, staggeringly, extremely, decidedly, disturbingly
5 Syllables
unbelievably, discouragingly, desperately
6 Syllables
unfortunately, prohibitively