old; no longer in use or valid or fashionable; "obsolete words"; "an obsolete locomotive"; "outdated equipment"; "superannuated laws"; "out-of-date ideas"
a crystalline rock that can be cut and polished for jewelry; "he had the gem set in a ring for his wife"; "she had jewels made of all the rarest stones"
concerned with or characterized by rigorous or adherence to recognized forms (especially in religion or art); "highly formalized plays like `Waiting for Godot'"