Dull word meaning and definition

[adjective] (of business) not active or brisk; "business is dull (or slow)"; "a sluggish market"
[adjective] emitting or reflecting very little light; "a dull glow"; "dull silver badly in need of a polish"; "a dull sky"
[adjective] (of color) very low in saturation; highly diluted; "dull greens and blues"
[adjective] 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"
[adjective] darkened with overcast; "a dark day"; "a dull sky"; "a gray rainy afternoon"; "gray clouds"; "the sky was leaden and thick"
[adjective] not having a sharp edge or point; "the knife was too dull to be of any use"
[adjective] not keenly felt; "a dull throbbing"; "dull pain"
[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"
[adjective] 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"
[adjective] 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"
[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"
[adjective] blunted in responsiveness or sensibility; "a dull gaze"; "so exhausted she was dull to what went on about her"- Willa Cather
[verb] make less lively or vigorous; "Middle age dulled her appetite for travel"
[verb] become dull or lusterless in appearance; lose shine or brightness, as of a varnished surface
[verb] become less interesting or attractive
[verb] make dull in appearance; "Age had dulled the surface"
[verb] make dull or blunt, as of sharp edges or knives' blades
[verb] make numb or insensitive; "The shock numbed her senses"
[verb] deaden (a sound or noise), esp. by wrapping

\Dull\, a. [Compar. {Duller}; superl. {Dullest}.] [AS. dol foolish; akin to gedwelan to err, D. dol mad, dwalen to wander, err, G. toll mad, Goth. dwals foolish, stupid, cf. Gr. ? turbid, troubled, Skr. dhvr to cause to fall. Cf. {Dolt}, {Dwale}, {Dwell}, {Fraud}.] 1. Slow of understanding; wanting readiness of apprehension; stupid; doltish; blockish. ``Dull at classical learning.'' --Thackeray. She is not bred so dull but she can learn. --Shak. 2. Slow in action; sluggish; unready; awkward. This people's heart is waxed gross, and their ears are dull of hearing. --Matt. xiii. 15. O, help my weak wit and sharpen my dull tongue. --Spenser. 3. Insensible; unfeeling. Think me not So dull a devil to forget the loss Of such a matchless wife. -- Beau. & Fl. 4. Not keen in edge or point; lacking sharpness; blunt. ``Thy scythe is dull.'' --Herbert. 5. Not bright or clear to the eye; wanting in liveliness of color or luster; not vivid; obscure; dim; as, a dull fire or lamp; a dull red or yellow; a dull mirror. 6. Heavy; gross; cloggy; insensible; spiritless; lifeless; inert. ``The dull earth.'' --Shak. As turning the logs will make a dull fire burn, so changes of study a dull brain. -- Longfellow. 7. Furnishing little delight, spirit, or variety; uninteresting; tedious; cheerless; gloomy; melancholy; depressing; as, a dull story or sermon; a dull occupation or period; hence, cloudy; overcast; as, a dull day. Along life's dullest, dreariest walk. -- Keble. Syn: Lifeless; inanimate; dead; stupid; doltish; heavy; sluggish; sleepy; drowsy; gross; cheerless; tedious; irksome; dismal; dreary; clouded; tarnished; obtuse. See {Lifeless}.
\Dull\, v. t. [imp. & p. p. {Duller}; p. pr. & vb. n. {Dulling}.] 1. To deprive of sharpness of edge or point. ``This . . . dulled their swords.'' --Bacon. Borrowing dulls the edge of husbandry. --Shak. 2. To make dull, stupid, or sluggish; to stupefy, as the senses, the feelings, the perceptions, and the like. Those [drugs] she has Will stupefy and dull the sense a while. --Shak. Use and custom have so dulled our eyes. --Trench. 3. To render dim or obscure; to sully; to tarnish. ``Dulls the mirror.'' --Bacon. 4. To deprive of liveliness or activity; to render heavy; to make inert; to depress; to weary; to sadden. Attention of mind . . . wasted or dulled through continuance. --Hooker.
\Dull\, v. i. To become dull or stupid. --Rom. of R.

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