*inartificial*

a. [ Pref. in- not + artificial: cf. F. inartificiel. ] Not artificial; not made or elaborated by art; natural; simple; artless; as, an inartificial argument; an inartificial character. -- In*ar`ti*fi"cial*ly, adv. -- In*ar`ti*fi"cial*ness, n. [ 1913 Webster ]