"principally" in German principally im Prinzip größtenteils principally {adv.} in erster Linie Detailed translations for "principally" principally principally(also: in principle, as a matter of principle, essentially) im Prinzip principally(also: for the most part, mostly, mainly) größtenteils{adverb} principally{adverb} principally(also: foremost, first and foremost, primarily) in erster Linie English synonyms for "principally" principally {r} chiefly in the main mainly primarily