Definitions
1.nounA virtual member function of a class.
2.adjectiveIn effect or essence, if not in fact or reality; imitated, simulated."In fact a defeat on the battlefield, Tet was a virtual victory for the North, owing to its effect on public opinion."
3.adjectiveHaving the power of acting or of invisible efficacy without the agency of the material or measurable part; potential.
4.adjectiveNearly, almost. (A relatively recent development in meaning)"The angry peasants were a virtual army as they attacked the castle."
5.adjectiveSimulated in a computer or online."The virtual world of his computer game allowed character interaction."
6.adjectiveOperating by computer or in cyberspace; not physically present."a virtual assistant; a virtual personal trainer"
7.adjective(of a class member) Capable of being overridden with a different implementation in a subclass.
8.adjectivePertaining to particles in temporary existence due to the Heisenberg uncertainty principle.