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

"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"

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

"dull greens and blues"

"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

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

"the varnished table top dulled with time"

"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"

"Age had dulled the surface"

"a dull throbbing" "dull pain"

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

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

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

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

"The shock numbed her senses"

"Middle age dulled her appetite for travel"