adv. 25B6; adverb
an enormously important factor : VERY, extremely, really, exceedingly, exceptionally, tremendously, immensely, hugely; singularly, particularly, eminently; informal terrifically, awfully, terribly, seriously, desperately, ultra, damn, damned; Brit. informal ever so, well, dead, jolly; N. Amer. informal real, mighty, darned; informal, dated frightfully.
prices vary enormously : CONSIDERABLY, greatly, very much, a great deal, a lot.
slightly.