1 (used about a situation) that may change; making people uncertain about what might happen （指形势）会变的，不稳定的: These were difficult and unsettled times. 这是艰难而又动荡的年代。The weather has been very unsettled (= it has changed a lot). 天气一直变幻莫测。

2 not calm or relaxed 不安宁的；紧张的: They all felt restless and unsettled. 他们都感到心神不定，很紧张。

3 (used about an argument, etc) that continues without any agreement being reached （指争议等）未解决的

4 (used about a bill, etc) not yet paid （指账单等）未支付的，未结清的