|1.||[ adjective ] emitting or reflecting very little light|
"a dull glow" "dull silver badly in need of a polish" "a dull sky"
|Related terms:||bright lackluster flat unpolished luminosity|
|2.||[ adjective ] 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"
|Related terms:||lively drab humdrum lackluster bovine heavy arid spiritless colorless unanimated dullness|
|3.||[ adjective ] being or made softer or less loud or clear|
|Synonyms:||muffled softened muted|
"the dull boom of distant breaking waves" "muffled drums" "the muffled noises of the street" "muted trumpets"
|4.||[ adjective ] (of color) very low in saturation; highly diluted|
"dull greens and blues"
|5.||[ adjective ] so lacking in interest as to cause mental weariness|
|Synonyms:||boring tedious wearisome irksome tiresome slow ho-hum deadening|
"a boring evening with uninteresting people" "the deadening effect of some routine tasks" "a dull play" "a ho-hum speaker" "what an irksome task the writing of long letters is"- Edmund Burke
|6.||[ adjective ] (of business) not active or brisk|
"business is dull (or slow)" "a sluggish market"
|Related terms:||commercial_enterprise inactive|
|7.||[ verb ] become dull or lusterless in appearance; lose shine or brightness|
"the varnished table top dulled with time"
|8.||[ adjective ] slow to learn or understand; lacking intellectual acuity|
|Synonyms:||dumb slow obtuse dim dense|
"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"
|9.||[ verb ] make dull in appearance|
"Age had dulled the surface"
|10.||[ adjective ] not keenly felt|
"a dull throbbing" "dull pain"
|Related terms:||sharp deadened|
|11.||[ adjective ] blunted in responsiveness or sensibility|
"a dull gaze" "so exhausted she was dull to what went on about her"- Willa Cather
|12.||[ adjective ] not clear and resonant; sounding as if striking with or against something relatively soft|
"the dull thud" "thudding bullets" "thumping feet on the carpeted stairs"
|13.||[ noun ] Last name, frequency rank in the U.S. is 7912|
|14.||[ verb ] make dull or blunt, as of sharp edges or knives' blades|
|Related terms:||sharpen change|
|15.||[ adjective ] darkened with overcast|
|Synonyms:||gray leaden grey|
"a dark day" "a dull sky" "a gray rainy afternoon" "gray clouds" "the sky was leaden and thick"
|16.||[ adjective ] not having a sharp edge or point|
"the knife was too dull to be of any use"
|Related terms:||sharp blunt unsharpened edgeless blunted|
|17.||[ verb ] make numb or insensitive|
|Synonyms:||benumb blunt numb|
"The shock numbed her senses"
|Related terms:||desensitize desensitize|
|18.||[ verb ] deaden (a sound or noise), esp. by wrapping|
|Synonyms:||mute damp dampen tone_down muffle|
|Related terms:||soften silencer damper|
|19.||[ verb ] become less interesting or attractive|
|Related terms:||change bore|
|20.||[ verb ] make less lively or vigorous|
"Middle age dulled her appetite for travel"
|Related terms:||weaken cloud|