(1)拖欠；拖延

(2)未完成之事；待履行完毕之义务

(3)逾期债款；应付欠款
如逾期未付的赡养费〔alimony〕、未及时发放的红利
。

• unlooked for mishap or untoward event
• unmarketable title
• unmarried
• unnatural offense
• unnatural will
• unnecessary exposure
• unnecessary exposure to danger
• unobjected to
• unoccupied
• unoccupied property
• unoffered lands
• UN official documents
• unofficial notes
• unofficial opinion
• unofficial primary
• unofficial publication
• unofficial report
• unopened way
• unorganized territory
• unpaid
• unpleaded
• unpossessed
• unprecedented
• unprofessional conduct
• unqualifiedly subject to the demands of shareholders