Synonyms and related words :
acupunctuation, acupuncture, arid, bore, boresome, broach, dead, drab, dreary, drill hole, drudging, dry, dull, empiercement, exhausting, fatiguing, fixing, flat, goring, gray, humdrum, impalement, irksome, lancing, long-drawn-out, monotonous, penetration, perforation, piercing, pricking, prolix, punching, puncture, puncturing, repetitious, repetitive, same, samely, skewering, soporific, stale, stupefyingly boring, stuporific, tedious, terebration, tired, tiresome, tiring, transfixation, transfixion, transforation, trepanning, trephining, unending, unexciting, uninteresting, unrelieved, weariful, wearing, wearisome, wearying, wordy, yawny,