GRE常考600个单词（U—W）

　　underbid make a lower bid then smb else

　　undermine weaken gradually, at the base, make smth under

　　unfeigned not pretended, sincere

　　unscathed unharmed, unhurt

　　untoward unfortunate, inconvenient

　　upbraid scold, reproach

　　urbane polite, elegant

　　vacillation being uncertain, hesitating

　　vain without use, value or result

　　valiant brave

　　valorous brave

　　vapor stim, mist

　　veer change direction

　　veneration regard with deep respect

　　veritable real, rightly named

　　verve spirit, vigour, enthusiasm

　　vex annoy, distress, trouble

　　vigilance watchfulness, self-appointed group who maintain order

　　vigilant member of a vigilance committee

　　vilify slander, say evil things

　　vindictive having a desire to revenge

　　waft scent, waving movement; carry lightly through

　　wage payment, carry on, engage in

　　warmonger person who stirs up war

　　warrant authority, written order, guarantee

　　wary cautious

　　weave make into cloth

　　weigh measure hoe heavy smth is

　　whimsical full of odd and fanciful ideas

　　wince show bodily or mental pain