Level filter
dull
nibui
meaning: is dull
あの人ひと、ちょっと反応はんのうが鈍にぶいよね。
ano hito, chotto hannou ga nibui yo ne.
That person's reactions are a bit slow, huh. casual
このナイフは刃はが鈍にぶくて切きれません。
kono naifu wa ha ga nibukute kiremasen.
This knife's blade is dull and doesn't cut well. neutral
nibuidullい