significantly

considerably, extensively, substantially

absolutely, altogether, completely, downright, entirely, flat-out, fully, positively, purely, radically, thoroughly, totally, utterly, wholly

deeply, profoundly

exceptionally, notably, remarkably

appreciably, discernibly, markedly, noticeably, obviously, palpably, plainly, visibly

abundantly, plentifully

astronomically, grandly, monstrously, monumentally

excessively, obscenely, overmuch

amazingly, astonishingly, staggeringly

achingly, almighty, archly, awful, awfully, badly, beastly, blisteringly, bone, colossally, corking, cracking, damn, damned, dang, deadly, desperately, eminently, enormously, especially, ever, exceedingly (also exceeding), extra, extremely, fabulously, fantastically, far, fiercely, filthy, frightfully, full, greatly, heavily, highly, hugely, immensely, incredibly, intensely, jolly, majorly, mightily, mighty, monstrous [chiefly dialect], mortally, most, much, particularly, passing, rattling, real, really, right, roaring, roaringly, seriously, severely, so, sore, sorely, spanking, specially, stinking, such, super, supremely, surpassingly, terribly, that, thumping, too, unco, uncommonly, vastly, very, vitally, way, whacking, wicked, wildly