Used with a negative verb to mean 'not satisfactory', 'not decent', or 'not proper'. Often appears as ろくな〜ない or ろくに〜ない.
He doesn't do a decent job.
There isn't a single decent restaurant in this town.
There's no way you'll pass the exam without studying properly.
senility; dotage; decrepitude
Ateji (phonetic) kanji; rarely used in modern writing.
Alternative kanji spelling; very rare and may be confused with the common reading りく.
The origin is uncertain; the kanji 碌 and 陸 are ateji (phonetic) spellings. The word is native Japanese and not derived from the kanji meanings.