Alphabetic U
| 13 | unravel | verb | See |
| 14 | untimely | adjective | See |
| 15 | unsteady | adjective | See |
| 16 | unforgiving | adjective | See |
| 17 | unthinkable | adjective | See |
| 18 | upgrade | verb | See |
| 19 | unconscionable | adjective | See |
| 20 | upbeat | adjective | See |
| 21 | unfazed | adjective | See |
| 22 | unflappable | adjective | See |
| 23 | unkempt | adjective | See |
| 24 | unrest | noun | See |