Definition of "predominantly"

predominantly

/pɹɪˈdɒmɪnəntli/

adverb
comparative more predominantly, superlative most predominantly
1. In a predominant manner. Most commonly or frequently by a large margin.
  Quotations
  Both groups are predominantly confined to areas with warm to tropical climates […]
  1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, New York, N.Y.: Columbia University Press, page 3
  The first phase of our pilot study found that the signage on the campus grounds was well regulated by the institution and was predominantly English.
  2019, Li Huang, James Lambert, “Another Arrow for the Quiver: A New Methodology for Multilingual Researchers”, in Journal of Multilingual and Multicultural Development, page 5