innocent, ingenuous -- (lacking in sophistication or worldliness; "a child's innocent stare"; "his ingenuous explanation that he would not have burned the church if he had not thought the bishop was in it")
innocent, unacquainted -- (not knowledgeable about something specified; "American tourists wholly innocent of French"; "a person unacquainted with our customs")
barren, destitute, devoid, free, innocent -- (completely wanting or lacking; "writing barren of insight"; "young recruits destitute of experience"; "innocent of literary merit"; "the sentence was devoid of meaning")
innocent -- ((used of things) lacking sense or awareness; "fine innocent weather")