← GRE Vocab "U-Z" Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All Ubiquitous existing everywhere at the same time Urbane sophisticated, refined Unfeigned genuine, not false or hypocritical Untenable indefensible, not viable Veracity truthfulness, honesty Virulent extremely harmful or poisonous, bitterly hostile or antagonistic Voracious having an insatiable appetite for an activity or pursuit Vilify to defame, to characterize harshly Viscous thick, sticky Vacillate to waver indecisively between Variegated multicolored, characterized by a variety of different color Vexation annoyance, irritation Vigilant alertly watchful Vituperate to use harsh, condemnatory language, to abuse or censure Volatile readily changing to a vapor; explosive Vitiate to corrupt, debase, spoil Voluble fluent verbal, having easy use of spoken language Waffle to equivocate, to change one's position Wag wit, joker Waver to move to and fro, to sway Zealous fervent, impassioned, devoted to a cause