| 1. | a person exercising absolute power, esp. a ruler who has absolute, unrestricted control in a government without hereditary succession. |
| 2. | (in ancient Rome) a person invested with supreme authority during a crisis, the regular magistracy being subordinated to him until the crisis was met. |
| 3. | a person who authoritatively prescribes conduct, usage, etc.: a dictator of fashion. |
| 4. | a person who dictates, as to a secretary. |