visitor, n. caller, visitant, company, guest; uninvited guest, Inf. gate-crasher; pilgrim, tourist; habitu£, regular, patron, frequenter, attender.
vista, n. view, outlook, Chiefly Brit, lookout, prospect, scene, sight; horizon; scenery; panorama; bird's-eye view.
visual, adj. 1. seeing, optic, optical, ocular.
2. visible. See - visible (def. I).
visualize, v. picture, envision; imagine, conceive, fancy; contemplate, consider, conjure up, envisage, picture in the mind's eye.
vital, adj. 1. life-giving, life-preserving, life-sustaining; invigorating, invigorative, vitalizing, animating, quickening, vivifying; reanimating, reviving, restoring, rejuvenating, resurrecting.
2. vivacious, lively, animated, spirited; vigorous, forceful, brisk, dynamic, powerful, intense; zesty, zestful, eager, enthusiastic.
3. critical, crucial, life-and-death, life-or-death; focal, axial, pivotal, central; principal, paramount, preeminent, dominant; leading, main, key, chief, cardinal; important, significant.
4. essential, necessary, needed, indispensable; mandatory, compulsory, requisite, required; imperative, urgent.
5. deadly, lethal, fatal, fateful.
vitality, n. life, animation, energy, vigor; stamina, sturdiness, hardiness, power, strength, endurance; liveliness, spirit, spiritedness, exuberance, vivacity, intensity, zeal; All Inf. bounce, zing, pep, pizzazz, sparkle, get up and go; SI. oomph, Brit. SI. stingo.
vitalize, v. animate, vivify, quicken, inform, inspirit; stimulte, arouse, awaken, inspire, invigorate, energize; charge, fire, kindle, enkindle, liven, enliven; fortify, strengthen, reinforce, brace, buttress, stay; resurrect, revive, reinvigorate, resuscitate, refresh, renew, replenish, rejuvenate; save, revamp, renovate, make over, mend, amend, restore.
vitals, n. vital organs, internal organs, viscera. See - viscera.
vitiate, v. 1. impair, reduce, degrade, devaluate, depreciate, deteriorate, depress, lower; adulterate, pollute, contaminate, spoil, mar, taint; infect, poison; alloy, dilute, weaken, mix, admix, thin, make impure, tamper with, Inf. doctor, (usu. of drugs or alcohol) SI. cut; foul, befoul, soil, sully, stain, blacken, tarnish, smear, smirch, besmirch, smudge, spatter, bespatter.
2. debase, abase, pervert, corrupt, rot, canker, blight, vulgarize, defile, deprave, demoralize; desecrate, debauch, render unclean.
3. invalidate, void, cancel, annul, nullify, retract, repeal, rescind, countermand, revoke, withdraw, abolish, abrogate, quash, suppress; erase, expunge, delete, efface, wipe out, strike or blot out, obliterate; undo, overthrow, undermine, destroy.
vitiated, adj. 1. impaired, reduced, devaluated, deteriorated, depreciated, lowered, fallen; adulterated, polluted, contaminated, spoiled, marred, tainted, infected, poisoned; diluted, weakened, mixed, thinned, impure, Inf. doctored, (usu. of alcohol or drugs) SI. cut; fouled, befouled, soiled, sullied, stained, blackened, tarnished, smeared, smirched, besmirched, smudged, spattered, bespattered.
2. debased, abased, base, vile, perverted, perverse, corrupted, corrupt, rotten, vulgarized, defiled, depraved, demoralized, desecrated, debauched.