'Regress' definitions:

Definition of 'regress'

From: WordNet
noun
The reasoning involved when you assume the conclusion is true and reason backward to the evidence [syn: regress, reasoning backward]
noun
Returning to a former state [syn: regression, regress, reversion, retrogression, retroversion]
verb
Go back to a statistical means
verb
Go back to a previous state; "We reverted to the old rules" [syn: revert, return, retrovert, regress, turn back]
verb
Get worse or fall back to a previous condition [syn: regress, retrograde, retrogress] [ant: advance, come along, come on, get along, get on, progress, shape up]
verb
Go back to bad behavior; "Those who recidivate are often minor criminals" [syn: relapse, lapse, recidivate, regress, retrogress, fall back]

Definition of 'Regress'

From: GCIDE
  • Regress \Re"gress\ (r?"gr?s), n. [L. regressus, fr. regredi, regressus. See Regrede.]
  • 1. The act of passing back; passage back; return; retrogression. "The progress or regress of man". --F. Harrison. [1913 Webster]
  • 2. The power or liberty of passing back. --Shak. [1913 Webster]

Definition of 'Regress'

From: GCIDE
  • Regress \Re*gress"\ (r?*gr?s"), v. i. [imp. & p. p. Regressed (-gr?st"); p. pr. & vb. n. Regressing.] To go back; to return to a former place or state. --Sir T. Browne. [1913 Webster]