- ugly
- ultimate
- ultraviolet
- umbrella
- unanimous
- uncle
- uncover
- under
- underestimate
- undergo
- undergraduate
- underground
- underlie
- underline
- underlying
- undermine
- underneath
- understand
- understanding
- undertake
- undo
- undoubtedly
- uneasy
- unemployment
- unexpected
- unfold
- unfortunately
- uniform
- unify
- union
- unique
- unit
- unite
- unity
- universal
- universe
- university
- unless
- unlike
- unlikely
- unload
- until
- unusual
- up
- update
- upgrade
- uphold
- upon
- upper
- upright
- uproar
- upset
- upstairs
- up-to-date
- upward
- urban
- urge
- urgent
- us
- usage
- use
- used
- useful
- usual
- usually
- utilize
- utmost
- utter
大学英语考研英语大纲词汇单词单词大全〔U 〕课程包含68个英语单词词汇。