Same word as uneventful:
boring, common, commonplace, humdrum, inconclusive, indecisive, ordinary, prosaic, quiet, routine, tedious, unexceptional, unexciting, unfateful, uninteresting, unmemorable, unnoteworthy, unremarkable, unvaried
boring, common, commonplace, humdrum, inconclusive, indecisive, ordinary, prosaic, quiet, routine, tedious, unexceptional, unexciting, unfateful, uninteresting, unmemorable, unnoteworthy, unremarkable, unvaried