primarily

Meanings

1. 1
   adv

   of primary import

   this is primarily a question of economics

2. 2
   adv

   Of a primary or central nature, first and foremost.

   The idea of fitting a crane to an engine for shunting duties, primarily in works yards, appears to have originated with the North London Railway engine in 1872.

3. 3
   adv

   for the most part

Etymology

From primary + -ly.