Synonyms of abruptly

1 Syllable
bang
2 Syllables
rashly, forthwith
3 Syllables
noisily, asudden, headily, suddenly, speedily
4 Syllables
unknowingly, unthinkingly
5 Syllables
precipitously, unexpectedly, unpreparedly, precipitantly
7 Syllables
unanticipatedly