turgid,excessively ornate/swollen or bloated 
turmoil,trouble/disturbance
turpitude,wickedness/shamefulness 
tyro,tiro/beginner
ulterior,situated beyond
unbrage,offense/resentment 
uncouth,rough/awkward
underbid,make a lower bid then smb else
undermine,weaken gradually/at the base/make smth under
undulate,to move in wavelike fashion/fluctuate 
unencumbered,easy-going/trifle
unfeigned,not pretended/sincere
unscathed,unharmed/unhurt
untoward,unfortunate/inconvenient
upbraid,scold/reproach
urbane,elegant/refined in manners 
vacillation,being uncertain/hesitating
vagary,strange act or idea
vain,without use/result/conceited
valiant,brave
valorous,brave
vanquish,conquer
vapor,stim/mist
veer,change direction
venal,ready to do smth dishonest
veneer,surface appearence covering the true nature
venerate,to revere
veneration,regard with deep respect 
veracity,truth
verisimilitude,appearing true or real 
veritable,real/rightly named
verve,spirit/vigour/enthusiasm
vex,annoy/distress/trouble
viable,capable of maintaining life
vigilance,watchfulness/self-appointed group who maintain order
vigilant,member of a vigilance committee
vigorous,strong/energetic
vilify,slander/say evil things
vindictive,having a desire to revenge
virago,a loud/domineering woman/a scold or nag 
virulent,extremely poisonous
visceral,of the internal organs of the body
vitiate,lower the quality/weaken the strength
vituperate,curse/abuse in words
vivacious,lively/high-spirited
volatile,changeable/inconstant/fickle/unstable/explosive 
volubility,fluency/verbosity/easy use of spoken language 
voluble,fluent
voluminous,occupying much space
waft,scent/waving movement/carry lightly through