from The American Heritage® Dictionary of the English Language, 4th Edition
- Backward; back: retrorocket.
- Situated behind: retrolental.
- Contrary to a usual or natural course or direction: retrograde.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- back or backward
- in the opposite direction
- in an old-fashioned or old-school way
from the GNU version of the Collaborative International Dictionary of English
- A prefix or combining form signifying backward, back.
from The Century Dictionary and Cyclopedia
- n. A prefix of Latin origin, meaning ‘back’ or ‘backward,’ ‘behind’: equivalent to post-, and the opposite of ante- (also of pre- or pro-) with reference to place or position, rarely to time; sometimes also equivalent to re- and opposed to pre- or pro-. It corresponds to opistho- in words from the Greek.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. affecting things past
- n. a fashion reminiscent of the past
Latin retrō-, from retrō, backward, behind; see re- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)