Ugly,undescribably,undefinable,unattainable,unhappy,undernourished,underestimated
* Ugly * Unhappy * Ungainly * Ubertastic! * Unbeliveable * Unmanly
* Unwomanly * Uniboob (yes, I HAVE heard this used before!) *
Unkind * Unmerciful * United * Unkempt * Unjust * Unhealthy *
Unduly * Unemployed * Uneasy * Undernourished * Underpaid *
Undergraduate * Underfed * Undeveloped * Uncommunicative *
Unconditioned * Uncloathed * Undercloathed * Unctous * Undaunted *
Underage * Underachiever * Unbeliever * Ululant * Ugsome *
Ukrainian * Unqualified * Unmindful * Unmusical * Unnerving *
Unreasonable * Unreserved * Unrivaled * Underpantsless * Unruffled
* Untaught * Untutored * Untruthful * Unusual * Unstable *
Unscrupulous * Unwary * Unwilling * Upstanding * Urgent * Utopian *
Useless * Useful * Uxorious * Uxorial