| 1. | a war waged for what is supposed or proclaimed to be a holy purpose, as the defense of faith. |
| 2. | any disagreement or argument between fanatical proponents of radically differing beliefs, opinions, etc.: a holy war on the merits of rival computer operating systems; a holy war about welfare reform. |
| holy war also Holy War n. A war declared or fought for a religious or high moral purpose, as to extend or defend a religion. |