from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To return to an earlier, inferior, or less complex condition.
- intransitive v. To go or move backward.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To return to an earlier, simpler or worse condition; to regress.
- v. To go backwards; to retreat.
- v. To return to bad behaviour; to relapse.
from the GNU version of the Collaborative International Dictionary of English
- n. Retrogression.
from The Century Dictionary and Cyclopedia
- n. Retrogradation; falling off; decline.
- To move backward; retrograde.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. get worse or fall back to a previous condition
- v. go back to bad behavior
Latin retrōgradī, *retrōgress- : retrō-, retro- + gradī, to go; see ghredh- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin retrōgressus, perfect active participle of retrōgradior ("retrograde"). (Wiktionary)