dull is the dictionary form of duller Definition of dull
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"

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"

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"

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

Examples

"dull greens and blues"

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

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"

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"

9
[ verb ] make dull in appearance

Examples

"Age had dulled the surface"

10
[ adjective ] not keenly felt

Examples

"a dull throbbing" "dull pain"

11
[ adjective ] blunted in responsiveness or sensibility

Examples

"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

Synonyms

thumping thudding

Examples

"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

Synonyms

blunt

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"

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"

18
[ verb ] deaden (a sound or noise), esp. by wrapping
19
[ verb ] become less interesting or attractive

Synonyms

pall

20
[ verb ] make less lively or vigorous

Examples

"Middle age dulled her appetite for travel"

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