To return or go back, particularly to return to a pattern of behavior or level of skill characteristic of a younger age. For example, if a 3-year-old child begins to regress by losing the ability to control his bowels or speak, that is a cause for medical concern.

late 14c., "act of going back," from Latin regressus "a return, retreat, a going back," noun use of past participle of regredi "to go back," from re- "back" (se [..]

1550s, "to return to a former state," from Latin regressus (see regress (n.)). Meaning "to move backward" is from 1823. The psychological sense of "to return to an earlier sta [..]

v. To return to a former place or condition.

(v) get worse or fall back to a previous condition(v) go back to bad behavior(n) returning to a former state(v) go back to a previous state(n) the reasoning involved when you assume the conclusion is [..]

Recourse by the holders of bills, drafts and cheques against previous holders, endorsers or issuers etc.

The act of passing back; passage back; return; retrogression. * Frederic Harrison *: Its bearing on the progress or regress of man is not an inconsiderable question. The power or liberty of pass [..]