dull Synonyms

sluggish tedious obtuse irksome lifeless muffled dreary tiresome heavy dense stupid dismal dim boring slow blunt dampen dead damp numb lackluster wearisome leaden dumb stereotyped suburban subdued stifled stultify stodgy unexpressive stolid stuffy stupefy sunless toothless torpid trite turgid unsaturated usual vacuous vanilla toneless tasteless tiring supine tame tarnished thick