courteous gentle modest ordinary polite quiet respectful self-effacing sheepish shy simple soft-spoken tentative timid unpretentious blushing content obliging reserved retiring sedate withdrawn apprehensive backward bashful biddable deferential demure diffident docile fearful hesitant lowly manageable mild obsequious reverential self-conscious servile standoffish submissive subservient supplicatory timorous tractable unambitious unobtrusive unostentatious