Obsolete term for careless, sloppy, or poorly done work. Not used in modern Japanese; replaced by words like ぞんざい or いい加減.
In old documents, the expression '疎慢な仕事' (slipshod work) can be found.
Modern common word for 'sloppy' or 'careless', unlike the obsolete 疎慢.
Modern word for 'half-hearted' or 'slipshod', used in everyday language.
Obsolete kanji spelling; the word itself is obsolete. 疎慢 is the most common historical form.
Variant obsolete spelling.
Variant obsolete spelling.
The exact derivation is uncertain; the kanji 疎 (neglect) and 慢 (lazy) suggest a meaning of careless or negligent behavior.