1.
[syn: chiefly, principally, primarily, mainly, in the main]
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]
The Collaborative International Dictionary of English v.0.48:
Mainly \Main"ly\, adv. [From main principal, chief.]
Principally; chiefly.
[1913 Webster]
WordNet (r) 3.0 (2006):
mainly
adv 1: for the most part; "he is mainly interested in
butterflies" [syn: chiefly, principally, primarily,
mainly, in the main]