- naive or naïve [nä ēv′]adj.[Fr, fem. of naïf < L nativus, natural, NATIVE]1. unaffectedly, or sometimes foolishly, simple; childlike; artless2. not suspicious; credulousnaivelyadv.naïvelySYN.- NAIVE implies a genuine, innocent simplicity or lack of artificiality but sometimes connotes an almost foolish lack of worldly wisdom [his naive belief in the kindness of others ]; INGENUOUS implies a frankness or straightforwardness that suggests the simplicity of a child [her ingenuous smile at my discomfiture ]; ARTLESS suggests a lack of artificiality or guile that derives from indifference to the effect one has upon others [her artless beauty ]; UNSOPHISTICATED, like NAIVE, implies a lack of worldly wisdom resulting from a limited experience of life [an unsophisticated freshman ] -ANT. SOPHISTICATED, ARTFUL
English World dictionary. V. Neufeldt. 2014.