1. 
[syn: boring, deadening, dull, ho-hum, irksome, slow, tedious, tiresome, wearisome]
WordNet (r) 3.0 (2006):
ho-hum
    adj 1: 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, ho-hum,
           irksome, slow, tedious, tiresome, wearisome]