Erewhonian UK /ˌɛɹɪˈ(h)wəʊ.ni.ən/US /ˌɛɹəˈ(h)woʊ.ni.ən/adjective 1noun 1forms 3 adjective1 •Of or pertaining to the fictional land of Erewhon.This seems to be the customary Erewhonian approach to a problem, this time the problem of the incorporeality of God. — 1969 noun1 •An inhabitant of the fictional land of Erewhon.I've never heard of him. What sort of name is that for an Erewhonian? — 2004 formsErewhonians · more Erewhonian · most Erewhonian