77 synonyms for especially such as conspicuously, above all, amazingly, and awfully. Especially is an adverb, and its antonyms are negligibly and nominally.
Above all, as a rule, basically, by and large, chiefly, commonly, exclusively, explicitly, expressly, first and foremost, for the most part, generally, in general, in particular, in the main, just, largely, mainly, mostly, on purpose, on the whole, overall, particularly, precisely, predominantly, primarily, principally, purposefully, specially, specifically, spesh, substantially, to a great degree, to a large extent, typically, uniquely, usually, and with someone/something in mind.
Amazingly, awfully, conspicuously, dead, decidedly, devilish, distinctly, exceptionally, extra, extraordinarily, extremely, frightfully, incredibly, jolly, majorly, markedly, mucho, notably, outstandingly, particularly, peculiarly, powerful, really, remarkably, right, seriously, signally, singularly, specially, strikingly, surprisingly, terribly, uncommonly, uniquely, unusually, unwontedly, very, and well.