adjective, duller, dullest.
not sharp; blunt:
a dull knife.
causing boredom; tedious; uninteresting:
a dull sermon.
not lively or spirited; listless.
not bright, intense, or clear; dim:
a dull day; a dull sound.
having very little depth of color; lacking in richness or intensity of color.
slow in motion or action; not brisk; sluggish:
a dull day in the stock market.
mentally slow; lacking brightness of mind; somewhat stupid; obtuse.
lacking keenness of perception in the senses or feelings; insensible; unfeeling.
not intense or acute:
a dull pain.
verb (used with or without object)
to make or become dull.
slow to think or understand; stupid
lacking in interest
lacking in perception or the ability to respond; insensitive
lacking sharpness; blunt
not acute, intense, or piercing
(of weather) not bright or clear; cloudy
not active, busy, or brisk
lacking in spirit or animation; listless
(of colour) lacking brilliance or brightness; sombre
not loud or clear; muffled
(med) (of sound elicited by percussion, esp of the chest) not resonant
to make or become dull
c.1200, “stupid;” early 13c., “blunt, not sharp;” rare before mid-14c., apparently from Old English dol “dull-witted, foolish,” or an unrecorded parallel word, or from Middle Low German dul “slow-witted,” both from Proto-Germanic *dulaz (cf. Old Frisian and Old Saxon dol “foolish,” Old High German tol, German toll “mad, wild,” Gothic dwals “foolish”), from PIE *dheu- (1) “dust, vapor, smoke” (and related notions of “defective perception or wits”). Of color from early 15c.; of pain or other sensations from 1725. Sense of “boring” first recorded 1580s.
dull. (8) Not exhilarating; not delightful; as to make dictionaries is dull work. [Johnson]
Dullsville, slang for “town where nothing happens,” attested from 1960.
c.1200, “to grow weary, tire;” of pointed or edged things from c.1400; of the senses from 1550s; from dull (adj.). Related: Dulled; dulling.
adj. dull·er, dull·est
In addition to the idiom beginning with dull
[doo-loh-sis, dyoo-] /duˈloʊ sɪs, dyu-/ noun 1. the enslavement of an ant colony or its members by ants of a different species. /djuːˈləʊsɪs/ noun 1. a practice of some ants, in which one species forces members of a different species to do the work of the colony Also called helotism
[duhls] /dʌls/ noun 1. a coarse, edible, red seaweed, Rhodymenia palmata. /dʌls/ noun 1. any of several seaweeds, esp Rhodymenia palmata, that occur on rocks and have large red edible fronds
[duh-looth; for 1 also French dy-lyt] /dəˈluθ; for 1 also French düˈlüt/ noun 1. Daniel Greysolon [da-nyel gre-saw-lawn] /daˈnyɛl grɛ sɔˈlɔ̃/ (Show IPA), Sieur, 1636–1710, French trader and explorer in Canada and Great Lakes region. 2. a port in E Minnesota, on Lake Superior. /dəˈluːθ/ noun 1. a port in E Minnesota, at the W […]
/ˈdʌlɪtʃ/ noun 1. a residential district in the Greater London borough of Southwark: site of an art gallery and the public school, Dulwich College