adv. 25B6; adverb
I'm dreadfully hungry : EXTREMELY, very, really, exceedingly, tremendously, exceptionally, extraordinarily; decidedly, most, particularly; N. English right; informal terrifically, terribly, desperately, awfully, devilishly, mega, seriously, majorly; Brit. informal jolly, ever so, dead, well; N. Amer. informal real, mighty, awful; informal, dated frightfully.
she missed James dreadfully : VERY MUCH, much, lots, a lot, a great deal, intensely, desperately.
the company performed dreadfully : TERRIBLY, awfully, very badly, atrociously, appallingly, abominably, poorly; informal abysmally, pitifully, diabolically.