1. To shut oneself in (e.g. one's room); To be confined in; To seclude oneself; To hide away; To stay inside (one's shell) word usually written using kana alone.

2. To be filled with (emotion, enthusiasm, etc.) word usually written using kana alone.

3. To fill the room (of a gas, smell, etc.); To be heavy with (e.g. smoke); To be stuffy; To be dense word usually written using kana alone.

4. To be muffled (e.g. voice) word usually written using kana alone.

5. To hold (a castle, fortress, etc.) word usually written using kana alone.

6. To confine oneself in a temple to pray word usually written using kana alone.