[1] : The Collaborative International Dictionary of English v.0.48

mainly \main"ly\, adv. from main strong. see main strength.
   very strongly; mightily; to a great degree. obs. --bacon.
   shak.
   1913 webster
see also:
main 

[2] : The Collaborative International Dictionary of English v.0.48

mainly \main"ly\, adv. from main principal, chief.
   principally; chiefly.
   1913 webster

[3] : WordNet (r) 2.0

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

[4] : Moby Thesaurus II by Grady Ward, 1.0

83 moby thesaurus words for "mainly":
   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 bottom, at first,
   at large, at the start, before everything, broadly,
   broadly speaking, by and large, chiefly, commonly, customarily,
   dominantly, effectively, 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 the beginning, in the main, indeed, initially, largely,
   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

Mainly >> M Words
Mainly, definition of term: Mainly
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