- something or someone that is not in its correct historical or chronological time, especially a thing or person that belongs to an earlier time: The sword is an anachronism in modern warfare.
- an error in chronology in which a person, object, event, etc., is assigned a date or period other than the correct one: To assign Michelangelo to the 14th century is an anachronism.
- the representation of an event, person, or thing in a historical context in which it could not have occurred or existed
- a person or thing that belongs or seems to belong to another time