terribly

achingly, almighty, archly, awful, awfully, badly, beastly, blisteringly, bone, colossally, 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, mortally, most, much, particularly, passing, real, really, right, roaring, seriously, severely, so, sore, sorely, spanking, specially, such, super, supremely, surpassingly, that, thumping, too, uncommonly, vastly, very, vitally, way, whacking, wicked, wildly