simple Synonyms

uncomplicated mere plain elementary basic bare artless unadorned painless understandable childlike unaffected wide-eyed unassuming ordinary unsophisticated unpretentious clear easy guileless unembellished common undemanding pure single straightforward austere stark humble innocent primitive ingenuous intelligible direct modest homespun effortless naive unambiguous unmixed uncompounded unvarnished uncombined unrefined workaday unmingled hence liable to be duped minimalist featherbrained empty-headed