ろくでなし

ろくでなし
noun
good-for-nothing; scoundrel; worthless person
1. good-for-nothing; scoundrel; worthless person
A strong insult for someone considered useless, irresponsible, or morally worthless. Often used by frustrated family members or in dramatic contexts.
あいつはろくでなしだ。
That guy is a good-for-nothing.
ろくでなしの息子(むすこ)借金(しゃっきん)(つく)った。
My good-for-nothing son racked up debts.
父親(ちちおや)はろくでなしで、家族(かぞく)面倒(めんどう)()ようとしなかった。
The father was a deadbeat who made no effort to take care of his family.

USAGE:
ろくでなし is a strong negative label for a person who is seen as worthless or irresponsible. It is commonly used when expressing frustration or contempt.

ETYMOLOGY:
From ろく ((ろく), meaning "satisfactory" or "decent") + でなし ("not being"). Literally "one who is not decent."

COMMON COLLOCATIONS:

  • ろくでなしの亭主(ていしゅ) (a good-for-nothing husband)
  • ろくでなしと()ばれる (to be called a scoundrel)

SIMILAR WORDS:
ろくでもない is the adjectival form meaning "worthless" or "no good" and is more commonly used as a modifier. ごくつぶし also means a useless person, particularly someone who eats without contributing.