Synonyms of duller
- 1 Syllable
- slow, low, daft, thick, dumb, dim
- 2 Syllables
- simple, tedious, vacuous, witless, backward, dense, sluggish, stupid, doltish, shallow, addled, brainless, boring, daffy, stolid
- 3 Syllables
- ignorant, half-baked, besotted, dim-witted, numskulled, moronic, obtuse, indolent
- 4 Syllables
- imbecilic, wearisome, feeble-minded, simple-minded, insensate, scatterbrained
- 5 Syllables
- unintellectual