MAIN

verb

1. Short for mainline.
2. To mainly play a specific character, or side, during a game.
3. Of a road: to convert into a main or primary road.

adjective

1. Of chief or leading importance; prime, principal.
2. Chief, most important, or principal in extent, size, or strength; consisting of the largest part.
3. (of force, strength, etc.) Full, sheer, undivided.

adverb

1. Exceedingly, extremely, greatly, mightily, very, very much.