Definition of plain
(adj)
clearly revealed to the
mind or the senses or judgment; "the
effects of the
drought are apparent to anyone who sees the
parched fields"; "evident hostility"; "manifest disapproval"; "patent advantages"; "made his
meaning plain"; "it is
plain that he is no reactionary"; "in
plain view"; "a palpable lie"
not
mixed with
extraneous elements; "plain water"; "sheer wine"; "not an unmixed blessing"
(verb)
express complaints, discontent, displeasure, or unhappiness; "My
mother complains all day"; "She has a lot to
kick about"