vertex n. Apex.vertical adj. Lying or directed perpendicularly to the horizon.vertigo n. Dizziness.vestige n. A visible trace, mark, or impression, of something absent, lost, or gone. vicarious adj. Suffered or done in place of or for the sake of another.viceroy n. A ruler acting with royal authority in place of the sovereign in a colony orprovince.vicissitude n. A change, especially a complete change, of condition or circumstances, as of fortune. vie v. To contend.vigilance n. Alert and intent mental watchfulness in guarding against danger.vigilant adj. Being on the alert to discover and ward off danger or insure safety.vignette n. A picture having a background or that is shaded off gradually.vincible adj. Conquerable.vindicate v. To prove true, right, or real.vindicatory adj. Punitive.vindicative adj. Revengeful.vinery n. A greenhouse for grapes.