The adj tedious has 2 senses (first 1 from tagged texts)
1. (2) boring, deadening, dull, ho-hum, irksome, slow, tedious, tiresome, wearisome -- (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")
2. long-winded, tedious, verbose, windy, wordy -- (using or containing too many words; "long-winded (or windy) speakers"; "verbose and ineffective instructional methods"; "newspapers of the day printed long wordy editorials"; "proceedings were delayed by wordy disputes")