BORING

adj. dull, monotonous, tedious, humdrum, tiresome, dreary, flat, dead, uninteresting, unexciting, ennuyant, stale, tired, dry, dry-as-dust, arid; tiring, wearying, wearisome, exhausting, soporific; repetitious, wordy, prolix, unending, long-drawn-out Felicity's boring old stories put me to sleep