The Britannica Dictionary provides a definition of "anachronism."
"Anachronism," The Britannica Dictionary, accessed February 16, 2023
anachronism /əˈnækrəˌnɪzəm/ noun
plural anachronisms
Britannica Dictionary definition of ANACHRONISM
[count]
1
: something (such as a word, an object, or an event) that is mistakenly placed in a time where it does not belong in a story, movie, etc.
The novel is full of anachronisms.
2
: a person or a thing that seems to belong to the past and not to fit in the present
He's an old-fashioned politician who is seen by many of his colleagues as an anachronism.
— anachronistic /əˌnækrəˈnɪstɪk/ adjective [more anachronistic; most anachronistic]
a politician whose values seem somewhat anachronistic
— anachronistically /əˌnækrəˈnɪstɪkli/ adverb