Synonyms of primarily

2 Syllables
broadly, firstly, mainly, mostly, chiefly
3 Syllables
copiously, largely, overall
4 Syllables
especially, liberally, importantly, dominantly, prevalently, prevailingly, commodiously, essentially, prodigiously, basically, imposingly, incipiently, generally, prodigally, principally
5 Syllables
unaccountably, fundamentally, originally, predominantly, expansively, voluminously, primitively, extravagantly
6 Syllables
determinately, uncustomarily, comprehensively, immoderately