1. to smoke; to smoulder; to smolder; to sputter (Usually kana)

2. to be sooty; to be smoke-stained (Usually kana)

3. to smoulder (e.g. a dispute); to smolder (Usually kana)

4. to seclude oneself (Usually kana)

5. to live in obscurity; to stay in the same level (of social position, circumstances, etc.) (Usually kana)