cen ‧ trist /ˈsentrəst, ˈsentrɪst/ BrE AmE adjective
[ Word Family: noun : CENTRE/CENTER , ↑ centralization ≠ ↑ decentralization , ↑ centralism , ↑ centrist ; adjective : ↑ central , ↑ centralized ≠ ↑ decentralized , CENTRED/CENTERED , ↑ centrist ; verb : CENTRE/CENTER , ↑ centralize ≠ ↑ decentralize ; adverb : ↑ centrally ]
having political beliefs that are not extreme SYN moderate OPP extremist
—centrist noun [countable]