dull

verbs

make dull in appearance
"Age had dulled the surface"
is a type of (narrower)
cause to change; make different; cause a transformation
"The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"
become dull or lusterless in appearance; lose shine or brightness
"the varnished table top dulled with time"
is a type of (narrower)
undergo a change; become different in essence; losing one's or its original nature
"She changed completely as she grew older"; "The weather changed last night"
deaden (a sound or noise), especially by wrapping
make numb or insensitive
"The shock numbed her senses"
make dull or blunt
"Too much cutting dulls the knife's edge"
antonym
become less interesting or attractive
is derived from
make less lively or vigorous
"Middle age dulled her appetite for travel"
is a type of (narrower)
become weaker
"The prisoner's resistance weakened after seven days"

adjectives

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"
is derived from
antonym
is similar to
lacking vitality or spirit; lifeless
"a technically perfect but arid performance of the sonata"; "a desiccate romance"; "a prissy and emotionless creature...settles into a mold of desiccated snobbery"-C.J.Rolo
is similar to
dull and slow-moving and stolid; like an ox
"showed a bovine apathy"
is similar to
lacking in liveliness or charm or surprise
"her drab personality"; "life was drab compared with the more exciting life style overseas"; "a series of dreary dinner parties"
is similar to
lacking lightness or liveliness
"heavy humor"; "a leaden conversation"
is similar to
tediously repetitious or lacking in variety
"a humdrum existence; all work and no play"; "nothing is so monotonous as the sea"
is similar to
lacking brilliance or vitality
"a dull lackluster life"; "a lusterless performance"
see also
not animated or enlivened; dull
see also
lacking in variety and interest
"a colorless and unimaginative person"; "a colorless description of the parade"
see also
lacking ardor or vigor or energy
"a spiritless reply to criticism"
is an attribute of
the quality of lacking interestingness
"the stories were of a dullness to bring a buffalo to its knees"
emitting or reflecting very little light
"a dull glow"; "dull silver badly in need of a polish"; "a dull sky"
is derived from
antonym
is similar to
not reflecting light; not glossy
"flat wall paint"; "a photograph with a matte finish"
is similar to
lacking luster or shine
"staring with lackluster eyes"; "lusterless hair"
is similar to
not brilliant or glaring
"the moon cast soft shadows"; "soft pastel colors"; "subdued lighting"
see also
not carefully reworked or perfected or made smooth by polishing
"dull unpolished shoes"
is an attribute of
the quality of being luminous; emitting or reflecting light
"its luminosity is measured relative to that of our sun"
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"
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"- Edmund Burke; "tedious days on the train"; "the tiresome chirping of a cricket"- Mark Twain; "other people's dreams are dreadfully wearisome"
is derived from
(of color) very low in saturation; highly diluted
"dull greens and blues"
is derived from
is similar to
(of color) not chromatically pure; diluted
"an unsaturated red"
not keenly felt
"a dull throbbing"; "dull pain"
is derived from
antonym
is similar to
made or become less intense
"the deadened pangs of hunger"
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"- Thackeray; "dumb officials make some really dumb decisions"; "he was either normally stupid or being deliberately obtuse"; "worked with the slow students"
is derived from
(of business) not active or brisk
"business is dull (or slow)"; "a sluggish market"
not having a sharp edge or point
"the knife was too dull to be of any use"
is derived from
antonym
is similar to
used of a knife or other blade; not sharp
"a blunt instrument"
is similar to
made dull or blunt
is similar to
lacking a cutting edge
is similar to
not sharpened
blunted in responsiveness or sensibility
"a dull gaze"; "so exhausted she was dull to what went on about her"- Willa Cather
is derived from
is similar to
deficient in human sensibility; not mentally or morally sensitive
"insensitive to the needs of the patients"
not clear and resonant; sounding as if striking with or against something relatively soft
"the dull thud"; "thudding bullets"
darkened with overcast
"a dark day"; "a dull sky"; "the sky was leaden and thick"
is derived from