dull
verb.
make dull in appearance
Age had dulled the surface
verb.
become dull or lusterless in appearance; lose shine or brightness
the varnished table top dulled with time
verb.
deaden (a sound or noise), especially by wrapping
verb.
make numb or insensitive
The shock numbed her senses
Synonym: benumb, blunt, numb
verb.
make dull or blunt
Too much cutting dulls the knife's edge
Synonym: blunt
verb.
become less interesting or attractive
Synonym: pall
verb.
make less lively or vigorous
Middle age dulled her appetite for travel
adj.
lacking in liveliness or animation
he was so dull at parties|a dull political campaign|a large dull impassive man|dull days with nothing to do|how dull and dreary the world is|fell back into one of her dull moods
adj.
emitting or reflecting very little light
a dull glow|dull silver badly in need of a polish|a dull sky
adj.
not keenly felt
a dull throbbing|dull pain
adj.
not having a sharp edge or point
the knife was too dull to be of any use
adj.
being or made softer or less loud or clear
the dull boom of distant breaking waves|muffled drums|the muffled noises of the street|muted trumpets
adj.
so lacking in interest as to cause mental weariness
a boring evening with uninteresting people|the deadening effect of some routine tasks|a dull play|his competent but dull performance|a ho-hum speaker who couldn't capture their attention|what an irksome task the writing of long letters is|tedious days on the train|the tiresome chirping of a cricket|other people's dreams are dreadfully wearisome
adj.
(of color) very low in saturation; highly diluted
dull greens and blues
adj.
slow to learn or understand; lacking intellectual acuity
so dense he never understands anything I say to him|never met anyone quite so dim|although dull at classical learning, at mathematics he was uncommonly quick|dumb officials make some really dumb decisions|he was either normally stupid or being deliberately obtuse|worked with the slow students
Synonym: slow, obtuse, dumb, dim, dense
adj.
(of business) not active or brisk
business is dull (or slow)|a sluggish market
Synonym: slow, sluggish
adj.
blunted in responsiveness or sensibility
a dull gaze|so exhausted she was dull to what went on about her
adj.
not clear and resonant; sounding as if striking with or against something relatively soft
the dull thud|thudding bullets
Synonym: thudding
adj.
darkened with overcast
a dark day|a dull sky|the sky was leaden and thick
Synonym: leaden