From WordNet (r) 2.0 (August 2003) [wn]:
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]