なまくら

na-adjective

blunt; dull (edge)

Describes a blade or cutting edge that has lost its sharpness. Often used metaphorically for a person's dullness or lack of sharpness.

• この包ほう丁ちょうはなまくらで、トマトも切きれない。

  This kitchen knife is so blunt it can't even cut a tomato.

na-adjective

lazy; cowardly; good-for-nothing

Used to criticize a person as lacking spirit, energy, or courage; implies a dull, sluggish character. Often derogatory.

• あんななまくらな奴やつに仕し事ごとを任まかせられない。

  I can't leave work to such a good-for-nothing guy.

• なまくらなことを言いうな。

  Don't say such cowardly things.