() (about a person) not having enough insurance（人）保险（额）不足的◆an underinsured motorist保险额不足的驾车者◆attempts to increase health coverage for the underinsured为扩大保额不足者健康保险承保范围所作的努力(about a thing) insured for less than it is worth（物品）保险（额）不足的◆an underinsured vehicle保险额不足的车辆▸ˌunderinˈsurance