Synonyms of dull in English:

dull


See US English definition of dull

See UK English definition of dull

See Spanish definition of apagado

adjective

1‘he is the author of several dull novels’

SYNONYMS
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
informal dull as dishwater, deadly, no great shakes, not up to much
Scottish informal dreich
North American informal dullsville, ornery
ANTONYMS

interesting

2‘it was a miserably dull Saturday morning’

SYNONYMS
overcast, cloudy, gloomy, dark, dim, dismal, dreary, bleak, sombre, grey, leaden, murky, sunless, louring
literary subfusc
ANTONYMS

sunny, bright

3‘the window frames were painted in dull colours’

SYNONYMS
drab, dreary, sombre, dark, subdued, muted, toned down, lacklustre, lustreless, colourless, faded, washed out, muddy, watery, pale
literary subfusc
ANTONYMS

bright

4‘he heard a dull sound outside his door’

SYNONYMS
muffled, muted, quiet, soft, softened, faint, indistinct
stifled, smothered, suppressed
ANTONYMS

loud, resonant

5‘the edge of the chisel soon became dull’

SYNONYMS
blunt, blunted, not sharp, unkeen, unsharpened, dulled, edgeless, worn down
ANTONYMS

sharp

6‘an otherwise dull stock market was enlivened by merger plans’

SYNONYMS
slack, sluggish, flat, slow, slow-moving, quiet, inactive, static, stagnant, depressed
ANTONYMS

brisk

7‘the teacher was talking slowly to a rather dull child’

SYNONYMS
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
informal dense, dim, dim-witted, thick, 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
British informal daft, not the full shilling, thick as two short planks
North American vulgar slang dumb-ass
ANTONYMS

clever

8‘her cold made her feel dull’

SYNONYMS
sluggish, lethargic, enervated, unenergetic, listless, languid, torpid, inactive, inert, slow, slow-moving, sleepy, somnolent, drowsy, weary, tired, fatigued, heavy, apathetic
informal dozy, dopey, yawny
North American informal logy
asthenic, neurasthenic
archaic lymphatic
ANTONYMS

lively


verb

1‘the pain was temporarily dulled by drugs’

SYNONYMS
lessen, decrease, diminish, reduce, dampen, depress, take the edge off, blunt, deaden, mute, soften, tone down, allay, ease, soothe, assuage, alleviate, palliate, moderate, mitigate
ANTONYMS

intensify

2‘sleep had dulled her mind’

SYNONYMS
numb, benumb, deaden, desensitize, render insensitive, stupefy, daze, stun
drug, sedate, tranquillize, narcotize
rare torpefy, obtund
ANTONYMS

enliven

3‘the leaves are dulled by powdery mildew’

SYNONYMS
fade, pale, bleach, wash out, decolorize, decolour, dim, etiolate
ANTONYMS

enhance, brighten

4‘the rain came in flurries, dulling the sky’

SYNONYMS
darken, blacken, dim, blur, veil, obscure, shadow, fog
literary bedim
ANTONYMS

brighten

5‘the sombre atmosphere of that place dulled her spirit’

SYNONYMS
dampen, put a damper on, cast a pall over, cast down, lower, depress, crush, shake, sap, suppress, extinguish, smother, stifle
ANTONYMS

raise