Definition of 糠に釘 (ぬかにくぎ)

ぬかくぎ

糠に釘

ぬかにくぎ

nukanikugi

expression, noun
having no effect, waste of effort(idiom )
Other readings:
ぬかに釘【ぬかにくぎ】
Related Kanji
rice bran
nail, tack, peg