The adjective anachronistic means something that exists out of its time in history.

Synonyms are antiquated, archaic, out-of-date, or outmoded.

The word origins in 1775. It comes from noun anachronism meaning “old-fashioned” plus -istic.

He described the law as anachronistic and ridiculous.

The rant was about how anachronistic the medium seems in the modern age.

Anachronistic machines are replaced with computerized scanners.