う
浮

く

Godan verb, intransitive verb

1. to float.
2. to become merry, to be cheerful.
3. to become loose, to become unsteady.
4. to feel out of it, to be cut off (e.g. from those around you), to feel out of place. Colloquialism.
5. to be frivolous, to be uncertain.
6. to have (time, money, etc.) left over, to be saved (e.g. money).
7. to have no basis, to be unreliable.