Verb (5-dan, う, intransitive)
1.  to drift;  to float
2.  to waft (e.g. a scent);  to hang in the air
3.  to be in the air (e.g. a feeling or mood)
4.  to wander;  to walk around aimlessly
5.  to be unsteady;  to be unstable
6.  to falter;  to flinch;  to wince
7.  to live in unreliable circumstances