"dulled" in the verb sense
1. dull
make dull in appearance
"Age had dulled the surface"
2. dull
become dull or lusterless in appearance lose shine or brightness
"the varnished table top dulled with time"
3. muffle, mute, dull, damp, dampen, tone down
deaden (a sound or noise), especially by wrapping
4. numb, benumb, blunt, dull
make numb or insensitive
"The shock numbed her senses"
5. dull, blunt
make dull or blunt
"Too much cutting dulls the knife's edge"
6. pall, dull
become less interesting or attractive
7. dull
make less lively or vigorous
"Middle age dulled her appetite for travel"
"dulled" in the adjective sense
1. dulled, benumbed
having lost or been caused to lose interest because of overexposure
"the mind of the audience is becoming dulled"
"the benumbed intellectual faculties can no longer respond"
2. blunted, dulled
made dull or blunt
3. dulled, greyed
deprived of color
"colors dulled by too much sun"
"greyed with the dust of the road"
Source: WordNet® (An amazing lexical database of English)
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