dull

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dull

1. (of weather) not bright or clear; cloudy
2. (of colour) lacking brilliance or brightness; sombre
3. Med (of sound elicited by percussion, esp of the chest) not resonant
References in classic literature ?
To say the truth, these soporific parts are so many scenes of serious artfully interwoven, in order to contrast and set off the rest; and this is the true meaning of a late facetious writer, who told the public that whenever he was dull they might be assured there was a design in it.
Now, when your weapons are dulled, your ardor damped, your strength exhausted and your treasure spent, other chieftains will spring up to take advantage of your extremity.
Instead of the customary humble and grateful thanks from the non-escorted one there was to be perceived a high- poised head, a prideful dimpling at the corners of a broad mouth, and almost a sparkle in a dull brown eye.
"It's not dull if one has work to do; besides, one's not dull by oneself," Levin replied abruptly.