21 synonyms for predominantly such as commonly, by and large, and chiefly. Predominantly is an adverb, and its antonyms are rarely and occasionally.
As a rule, by and large, chiefly, commonly, for the most part, generally, in general, in the main, largely, mainly, mostly, on the whole, predominately, preponderantly, primarily, principally, to a great degree, to a large extent, typically, and usually.