Synonyms of dull in English:
1 he is the author of several dull novels
uninteresting, boring, tedious, tiresome, wearisome, dry, dry as dust, flat, bland, characterless, featureless, colourless, monotonous, unexciting, uninspiring, unstimulating, lacking variety, lacking variation, lacking excitement, lacking interest, unimaginative, uneventful, lifeless, soulless, insipid;
unoriginal, derivative, commonplace, prosaic, run-of-the-mill, humdrum, unremarkable, banal, lame, plodding, ponderous, pedestrian
informaldull as dishwater, deadly, no great shakes, not up to much
7 the teacher was talking slowly to a rather dull child
unintelligent, stupid, slow, dull-witted, slow-witted, witless, doltish, dunce-like, stolid, vacuous, empty-headed, brainless, mindless, foolish, half-witted, idiotic, moronic, imbecilic, cretinous, obtuse
informaldense, dim, dim-witted, thick, thick as two short planks, dumb, dopey, dozy, lamebrained, pig-ignorant, bovine, slow on the uptake, soft in the head, brain-dead, boneheaded, chuckleheaded, dunderheaded, wooden-headed, fat-headed, muttonheaded
North American vulgar slangdumb-ass
8 her cold made her feel dull
sluggish, lethargic, enervated, unenergetic, listless, languid, torpid, inactive, inert, slow, slow-moving, sleepy, somnolent, drowsy, weary, tired, fatigued, heavy, apathetic
North American informallogy
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