RichThesaurus
antediluvial
vs
outmoded
antediluvial
adj
Antiquated.
Of or pertaining to a time before Noah's flood.
outmoded
adj
Unfashionable.
Obsolete.
How often have the words
antediluvial
and
outmoded
occurred in a corpus of books?
(source:
Google Ngram Viewer
)