also: のろ
Describes a person's mind, reaction, or movement as slow or lacking sharpness. Can also refer to objects like knives being blunt. The reading のろ is rarer and more colloquial.
Antonyms: 鋭
He is slow on the uptake.
This kitchen knife has a dull blade.
quick; nimble; sharp; clever
insensitive; thick-skinned; obtuse
blunt weapon
slowing down; weakening; becoming dull
stupid; dim-witted; dull
local train; slow train
dull pain; dull ache
thickheaded; slow-witted; phlegmatic · slow-moving; sluggish
dark sleeper; Odontobutis obscura
sharpness or dullness; cleverness or foolishness
Standard kanji spelling for the reading どん. High-frequency news word.
Kana spelling for the rare reading のろ. Mostly seen in colloquial or emphatic use.
The kanji 鈍 combines the metal radical 金 with 屯, suggesting a blade that has lost its edge. The reading どん is the on'yomi; のろ is a native Japanese reading with uncertain historical derivation.
annealing
dull-witted; slow; stupid
dullness; slowness of mind; stupidity
dull sword; blunt sword
dullness; stupidity; dull person
slow-witted; dull
blockhead; fool
dulling; becoming blunt
obtuse angle