Synonyms of 'boring'

arid, bore, boresome, broach, dead, drab, dreary, dry, dull, fixing, flat, goring, gray, humdrum, irksome, long-drawn-out, monotonous, penetration, perforation, piercing, pricking, prolix, puncture, repetitious, repetitive, same, soporific, stale, tedious, tired, tiresome, transfixion, unending, unexciting, uninteresting, unrelieved, weariful, wearisome, wordy