abruptly (adv.)

• bang
• bluffly
• bluntly
• boorishly
• brashly
• brusquely
• cavalierly
• churlishly
• curtly
• dash
• forthwith
• gruffly
• harshly
• hastily
• headfirst
• headlong
• impetuously
• impulsively
• nastily
• plop
• plump
• plunk
• pop
• precipitately
• precipitously
• rashly
• sharp
• sharply
• short
• shortly
• slap
• slap-bang
• smack
• startlingly
• sudden
• suddenly
• surprisingly
• unawares
• unexpectedly