dull (http://definr.com/dull)

     adj 1: 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" [ant: lively]
     2: emitting or reflecting very little light; "a dull glow";
        "dull silver badly in need of a polish"; "a dull sky"
        [ant: bright]
     3: 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" [syn: muffled, muted,
     4: 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" [syn: boring, deadening, ho-hum, irksome,
         slow, tedious, tiresome, wearisome]
     5: (of color) very low in saturation; highly diluted; "dull
        greens and blues"
     6: not keenly felt; "a dull throbbing"; "dull pain" [ant: sharp]
     7: 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"
        [syn: dense, dim, dumb, obtuse, slow]
     8: (of business) not active or brisk; "business is dull (or
        slow)"; "a sluggish market" [syn: slow, sluggish]
     9: not having a sharp edge or point; "the knife was too dull to
        be of any use" [ant: sharp]
     10: blunted in responsiveness or sensibility; "a dull gaze"; "so
         exhausted she was dull to what went on about her"- Willa
     11: 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" [syn: thudding, thumping]
     12: darkened with overcast; "a dark day"; "a dull sky"; "a gray
         rainy afternoon"; "gray clouds"; "the sky was leaden and
         thick" [syn: gray, grey, leaden]
     v 1: make dull in appearance; "Age had dulled the surface"
     2: become dull or lusterless in appearance; lose shine or
        brightness, as of a varnished surface
     3: deaden (a sound or noise), esp. by wrapping [syn: muffle,
        mute, damp, dampen, tone down]
     4: make numb or insensitive; "The shock numbed her senses"
        [syn: numb, benumb, blunt]
     5: make dull or blunt, as of sharp edges or knives' blades
        [syn: blunt] [ant: sharpen]
     6: become less interesting or attractive [syn: pall]
     7: make less lively or vigorous; "Middle age dulled her
        appetite for travel"