(a.) Involving tedium; tiresome from continuance, prolixity, slowness, or the like; wearisome.

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