visionary, a. [dreamy], imaginative, [romantic], [fanciful], illusory, chimerical, [Utopian].
visionary, n. castle-builder, [dreamer], illusionist.
visitor, n. guest. Antonym: [host].
vitiate, v. [debase], [corrupt], [demoralize], [contaminate], deprave, [spoil].
vitiation, n. [debasement], [corruption], demoralization, depravation, [contamination].
vixen, n. virago, [scold], [shrew], termagant, Tartar, Xantippe, spitfire.
voice, n. [utterance], [speech]; [vote], [choice], election, [suffrage]. Associated words: phonology, phonetics, phonation, phonography, [oral], vocal, non-vocal, aphonic, arsis, ictus, vocalize, [modulate], [modulation], [inflection].
void, a. [vacant], [empty], vacuous; [destitute], devoid, [lacking]; ineffectual, [invalid], [nugatory], [vain].
void, v. evacuate, [eject], [discharge], egest, [pass]; [nullify], [abrogate], [annul].
voidance, n. evacuation, [discharge], egestion.