Dictionary Definition

chiefly adv : for the most part; "he is mainly interested in butterflies" [syn: principally, primarily, mainly, in the main]

User Contributed Dictionary

a fortiori, ab initio, ab ovo, aborigine, above all, all in all, all the more, all things considered, almost entirely, altogether, approximately, as a rule, as a whole, as an approximation, as per usual, as things go, as usual, at first, at large, at the start, before everything, broadly, broadly speaking, by and large, commonly, customarily, dominantly, effectually, especially, essentially, even, ever so, first, first and foremost, first of all, first thing, firstly, from the beginning, generally, generally speaking, habitually, in chief, in general, in particular, in the beginning, in the main, indeed, initially, largely, mainly, more than ever, most often, mostly, naturally, never so, no end, normally, normatively, on balance, on the whole, ordinarily, originally, overall, particularly, peculiarly, predominantly, prescriptively, prevailingly, primarily, primo, principally, regularly, roughly, roughly speaking, routinely, speaking generally, still more, substantially, to be expected, usually, virtually, yea