Dictionary
ret•ro
Pronunciation: (re'trō), [key]—
adj. Informal.
1. retroactive:
retro pay.
2. of or designating the style of an earlier time:
retro clothes. retro-
a prefix occurring in loanwords from Latin meaning “backward” (
retrogress); on this model, used in the formation of compound words (
retrorocket).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.