[syn: long-winded, tedious, verbose, windy, wordy]
The Collaborative International Dictionary of English v.0.48:
Tedious \Te"di*ous\, a. [L. taediosus, fr. taedium. See
   Tedium.]
   Involving tedium; tiresome from continuance, prolixity,
   slowness, or the like; wearisome. -- Te"di*ous*ly, adv. --
   Te"di*ous*ness, n.
   [1913 Webster]
         I see a man's life is a tedious one.     --Shak.
   [1913 Webster]
         I would not be tedious to the court.     --Bunyan.
   [1913 Webster]
   Syn: Wearisome; fatiguing. See Irksome.
        [1913 Webster]
        [1913 Webster]
WordNet (r) 3.0 (2006):
tedious
    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]
    2: 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" [syn: long-
       winded, tedious, verbose, windy, wordy]
Moby Thesaurus II by Grady Ward, 1.0:
135 Moby Thesaurus words for "tedious":
   alliterating, alliterative, arid, assonant, automatic, banal,
   barren, belabored, betwixt and between, blah, blank, bloodless,
   boresome, boring, broken-record, bromidic, changeless, chanting,
   characterless, chiming, cliche-ridden, cold, colorless, dead,
   dingdong, dismal, drab, dragging, draggy, drearisome, dreary,
   drudging, dry, dryasdust, dull, dusty, effete, elephantine, empty,
   endless, etiolated, everlasting, exhausting, fade, fair,
   fair to middling, fairish, fatiguing, flat, gray, harping, heavy,
   ho-hum, hollow, humdrum, inane, indifferent, inexcitable, insipid,
   invariable, jejune, jingle-jangle, jog-trot, labored, laborious,
   lackluster, leaden, lifeless, long-drawn-out, long-winded,
   low-spirited, mechanical, mediocre, medium, middling, moderate,
   modest, monotone, monotonous, mortal, namby-pamby, of a kind,
   of a sort, of sorts, pale, pallid, passable, pedestrian, plodding,
   pointless, poky, ponderous, prolix, prolonged, prosaic, prosy,
   repetitious, repetitive, respectable, rhymed, rhyming, routine,
   same, samely, singsong, slow, so-so, solemn, soporific, spiritless,
   sterile, stiff, stodgy, stuffy, superficial, tasteless, tiresome,
   tiring, tolerable, treadmill, unchanging, unending, uneventful,
   unexciting, uninteresting, unlively, unrelieved, unvarying, vapid,
   weariful, wearing, wearisome, wearying, wishy-washy, wooden