predominantly

From predominant +‎ -ly.

• IPA^(key): /pɹɪˈdɒmɪnəntli/

• Audio (US):

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predominantly (comparative more predominantly, superlative most predominantly)

1. In a predominant manner. Most commonly or frequently by a large margin.

   The membership is predominantly elderly, as 90% are over age 60.

   • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page 3:

     Both groups are predominantly confined to areas with warm to tropical climates […]

   • 2019, Li Huang, James Lambert, “Another Arrow for the Quiver: A New Methodology for Multilingual Researchers”, in Journal of Multilingual and Multicultural Development, →DOI, page 5:

     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.

   • 2020 April 28, Christina Macfarlane, “‘There is nothing worse than hunger,’ says South Africa hero Siya Kolisi of helping townships during lockdown”, in CNN‎^[1]:

     “With the food packages that we drop off, we are adding messages in the local dialect of Xhosa, because this is predominately for the Xhosa areas,” Kolisi said.

This adverb form of the adjective predominant is preferred over predominately (the adverb form of the adjective predominate), which is considered dated or non-standard.

• primarily, principally; see also Thesaurus:mostly or Thesaurus:usually