ho-hum
     adj : so lacking in interest as to cause mental weariness; "a
           boring evening with uninteresting people"; "the
           deadening effect of some routine tasks"; "a dull play";
           "his competent but dull performance"; "a ho-hum speaker
           who couldn't capture their attention"; "what an irksome
           task the writing of long letters is"- Edmund Burke;
           "tedious days on the train"; "the tiresome chirping of
           a cricket"- Mark Twain; "other people's dreams are
           dreadfully wearisome" [syn: {boring}, {deadening}, {dull},
            {irksome}, {slow}, {tedious}, {tiresome}, {wearisome}]
Source: WordNet® 2.0