a thing that is very old or old-fashioned (i.e., archaic)
I suppose these fantasy archaisms and interstellar revelations are no different
‘It’s not intellectually respectable, I know. It’s an archaism. All I have are these persistent intuitions.
This reliance on already-existing forms of identification - all those nationalisms and religions, with any number of archaisms ready to crawl out of the crypt - is what postmodernism has been.
That prose, in spite of or because of its archaisms, is good prose: exact, clear, powerful.
Observe also the archaism of putting the adjective last: “joy intolerable,” “song unpronounceable,” “glory unimaginable.”
the irruption of archaisms in the West's postmodern societies