principally
1. [ adverb ] for the most part
Synonyms: primarily chiefly mainly in_the_main
Examples:

"he is mainly interested in butterflies"

Related terms: chief chief primary chief primary
Similar spelling:   principal
  principality
  Principato
  principalship
  principal_sum
  principal_axis
  Principe
  principle
  principen
  princely
  principled
  prince_albert