Think me not
So dull a devil to forget the loss
Of such a matchless wife.
Beau. & Fl.
4. Not keen in edge or point; lacking sharpness; blunt. "Thy scythe is dull." Herbert.
5. Not bright or clear to the eye; wanting in liveliness of color or luster; not vivid; obscure; dim; as, a dull fire or lamp; a dull red or yellow; a dull mirror.
6. Heavy; gross; cloggy; insensible; spiritless; lifeless; inert. "The dull earth." Shak.
As turning the logs will make a dull fire burn, so changes of study a dull brain.
Longfellow.
7. Furnishing little delight, spirit, or variety; uninteresting; tedious; cheerless; gloomy; melancholy; depressing; as, a dull story or sermon; a dull occupation or period; hence, cloudy; overcast; as, a dull day.
Along life's dullest, dreariest walk.
Keble.
Syn. -- Lifeless; inanimate; dead; stupid; doltish; heavy; sluggish; sleepy; drowsy; gross; cheerless; tedious; irksome; dismal; dreary; clouded; tarnished; obtuse. See Lifeless.
Dull, v. t. [imp. & p. p. Duller (?); p. pr. & vb. n. Dulling.] 1. To deprive of sharpness of edge or point. "This . . . dulled their swords." Bacon.
Borrowing dulls the edge of husbandry.
Shak.
2. To make dull, stupid, or sluggish; to stupefy, as the senses, the feelings, the perceptions, and the like.
Those [drugs] she has
Will stupefy and dull the sense a while.
Shak.
Use and custom have so dulled our eyes.
Trench.