- An embroidery stitch that produces a decorative zigzag line.羽状绣花针迹：绣成之字形装饰曲线的一种刺绣针迹
- digerati
- digest
- digested
- Uncompahgre Peak
- uncompensated
- uncompetitive
- uncomplaining
- uncompleted
- uncomplicated
- uncomplimentary
- uncomprehending
- uncompromisable
- uncompromising
- uncomputerized
- unconceivable
- unconcern
- unconcerned
- unconditional
- unconditioned
- unconditioned response
- unconditioned stimulus
- unconformable
- unconformity
- uncongenial
- unconnected