dull has definitions from the field of color
1
[ adjective ] emitting or reflecting very little light

Examples

"a dull glow" "dull silver badly in need of a polish" "a dull sky"

Used in print

(Robert Penn Warren, Wilderness....)

It gave the rubberized fabric a dull gleam , like metal .

2
[ adjective ] lacking in liveliness or animation

Examples

"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"

Used in print

(Christopher Davis, First Family....)

Scotty looked at the children , his mouth slightly opened , his eyes dull .

3
[ adjective ] being or made softer or less loud or clear

Examples

"the dull boom of distant breaking waves" "muffled drums" "the muffled noises of the street" "muted trumpets"

Used in print

(Louis Zara, Dark Rider....)

a dull boom and a throbbing echo .

Related terms

soft

4
[ adjective ] (of color) very low in saturation; highly diluted

Examples

"dull greens and blues"

Used in print

(B. J. D. Meeuse, The Story of Pollination....)

The males are much duller .

Related terms

unsaturated

5
[ adjective ] so lacking in interest as to cause mental weariness

Examples

"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

Used in print

(Marvin Schiller, "The Sheep's in the Meadow,"...)

I felt superior to the neighborhood friends I was leaving_behind , felt older than my years , and was full of compliments for myself as I headed into the subway that was carrying its packs of passengers out of_that dull borough and into the unstable , tantalizing excitement of Manhattan .

Related terms

uninteresting

6
[ adjective ] (of business) not active or brisk

Synonyms

sluggish slow

Examples

"business is dull (or slow)" "a sluggish market"

7
[ verb ] become dull or lusterless in appearance; lose shine or brightness

Examples

"the varnished table top dulled with time"

Used in print

(Thomas B. Dewey, Hunter at Large....)

The pain dulled as he moved , and he steadied inside .

Related terms

change

8
[ adjective ] slow to learn or understand; lacking intellectual acuity

Synonyms

dumb slow obtuse dim dense

Examples

"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"

Used in print

(R. F. Shaw, "The `Private Eye`"...)

Poirot and his counterparts are perfectly respectable people ; it is true that they are also extremely dull .

Related terms

stupid

9
[ verb ] make dull in appearance

Examples

"Age had dulled the surface"

Used in print

(Life BR-C16. Saturday Review, 44:15 (April 15, 1961)...)

Jack_Frost is not really responsible_for this great seasonal spectacle ; in_fact , a freezing autumn dulls the blaze .

Related terms

change

10
[ adjective ] not keenly felt

Examples

"a dull throbbing" "dull pain"

Related terms

sharp deadened

11
[ adjective ] blunted in responsiveness or sensibility

Examples

"a dull gaze" "so exhausted she was dull to what went on about her"- Willa Cather

Related terms

insensitive

12
[ adjective ] not clear and resonant; sounding as if striking with or against something relatively soft

Synonyms

thumping thudding

Examples

"the dull thud" "thudding bullets" "thumping feet on the carpeted stairs"

Related terms

unreverberant

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

Synonyms

blunt

Related terms

sharpen change

15
[ adjective ] darkened with overcast

Synonyms

gray leaden grey

Examples

"a dark day" "a dull sky" "a gray rainy afternoon" "gray clouds" "the sky was leaden and thick"

Related terms

cloudy

16
[ adjective ] not having a sharp edge or point

Examples

"the knife was too dull to be of any use"

17
[ verb ] make numb or insensitive

Synonyms

benumb blunt numb

Examples

"The shock numbed her senses"

Related terms

desensitize desensitize

18
[ verb ] deaden (a sound or noise), esp. by wrapping

Related terms

soften silencer damper

19
[ verb ] become less interesting or attractive

Synonyms

pall

Related terms

change bore

20
[ verb ] make less lively or vigorous

Examples

"Middle age dulled her appetite for travel"

Related terms

weaken cloud

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