humdrum
     adj 1: not challenging; dull and lacking excitement; "an
            unglamorous job greasing engines" [syn: {commonplace},
             {prosaic}, {unglamorous}, {unglamourous}]
     2: tediously repetitious or lacking in variety; "a humdrum
        existence; all work and no play"; "nothing is so
        monotonous as the sea" [syn: {monotonous}]
Source: WordNet® 2.0