archaic
/ɑː.ˈkeɪ.ɪk/adjective
Belonging to a much earlier time; old-fashioned and no longer in common use.
Example sentences
- “The novel is full of archaic words that nobody uses anymore.”
- “Some of the company's archaic rules date back to the 1950s.”
Dictionaries use it as a label for senses that survive only in old texts. Applied to a system or law, it is harsher than "old-fashioned".