noun
dullness; stupidity; dull person
Refers to a lack of intelligence or talent, either as an abstract quality or as a person who is slow-witted. Often used in self-deprecating or critical contexts.
自分は鈍才だと感じることもある。
Sometimes I feel that I am a dull person.
彼は鈍才を嘆いた。
He lamented his own dullness.