鈍ら

なまくら

blunt (e.g. sword); dull; lazy; cowardly

Also written 鈍

Meaning

adj-na
blunt (e.g. sword); dull
adj-na
lazy; cowardly; good for nothing

Example sentences

いや、あいつは「純」というより「鈍」って感じだな。

No, I feel like he's not "pure", but rather "dull".