Spanish Etymology From arbitrio + -ista. Pronunciation IPA(key): /aɾbiˈtɾista/ [aɾ.β̞iˈt̪ɾis.t̪a] Rhymes: -ista Syllabification: ar‧bi‧tris‧ta Noun arbitrista m or f by sense (plural arbitristas) a supporter of hairbrained plans Related terms arbitrismo Further reading “arbitrista”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10Wikiwand - on Seamless Wikipedia browsing. On steroids.