Definition of pseudo-archaic in US English:

pseudo-archaic

adjective

  • Falsely appearing or purporting to be ancient; artificially archaic in style, language, etc.

Origin

Late 19th century; earliest use found in The Times. From pseudo- + archaic.

Pronunciation

pseudo-archaic

/ˌs(j)uːdəʊɑːˈkeɪɪk/