Adjacent Words

Regression definitions

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Webster's 1828 Dictionary

REGRES'SION, n. The act of passing back or returning.

WordNet (r) 3.0 (2005)

n
1: an abnormal state in which development has stopped prematurely [syn: arrested development, fixation, infantile fixation, regression]
2: (psychiatry) a defense mechanism in which you flee from reality by assuming a more infantile state
3: the relation between selected values of x and observed values of y (from which the most probable value of y can be predicted for any value of x) [syn: regression, simple regression, regression toward the mean, statistical regression]
4: returning to a former state [syn: regression, regress, reversion, retrogression, retroversion]

Merriam Webster's

noun Date: 1597 1. the act or an instance of regressing 2. a trend or shift toward a lower or less perfect state: as a. progressive decline of a manifestation of disease b. (1) gradual loss of differentiation and function by a body part especially as a physiological change accompanying aging (2) gradual loss of memories and acquired skills c. reversion to an earlier mental or behavioral level d. a functional relationship between two or more correlated variables that is often empirically determined from data and is used especially to predict values of one variable when given values of the others <the regression of y on x is linear>; specifically a function that yields the mean value of a random variable under the condition that one or more independent variables have specified values 3. retrograde motion

Oxford Reference Dictionary

n. 1 a backward movement, esp. a return to a former state. 2 a relapse or reversion. 3 Psychol. a return to an earlier stage of development, esp. through hypnosis or mental illness. 4 Statistics a measure of the relation between the mean value of one variable (e.g. output) and corresponding values of other variables (e.g. time and cost). Etymology: L regressio (as REGRESS)

Webster's 1913 Dictionary

Regression Re*gres"sion (r?*gr?sh"?n), n. [L. regressio: cf. F. r['e]gression.] The act of passing back or returning; retrogression; retrogradation. --Sir T. Browne. Edge of regression (of a surface) (Geom.), the line along which a surface turns back upon itself; -- called also a cuspidal edge. Regression point (Geom.), a cusp.

Collin's Cobuild Dictionary

see regress

Soule's Dictionary of English Synonyms

n. Return. See regress.

Moby Thesaurus

Brownian movement, Freudian fixation, about-face, advance, angular motion, arrested development, ascending, ascent, atavism, axial motion, backflowing, backing, backset, backsliding, backward deviation, backward motion, career, climbing, comedown, course, current, debasement, decadence, decadency, declension, declination, decline, deformation, degeneracy, degenerateness, degeneration, degradation, demotion, depravation, depravedness, depreciation, derogation, descending, descent, deterioration, devolution, disenchantment, downtrend, downturn, downward mobility, downward motion, downward trend, drift, driftage, drop, dying, ebb, ebbing, effeteness, fading, failing, failure, failure of nerve, fall, falling back, falling-off, father fixation, fixation, flight, flip-flop, flow, flux, forward motion, infantile fixation, involution, lapse, libido fixation, loss of tone, mother fixation, mounting, oblique motion, ongoing, onrush, parent fixation, passage, plunging, pregenital fixation, progress, radial motion, random motion, recidivation, recidivism, reclamation, reconversion, recrudescence, recurrence, reflowing, refluence, reflux, regress, rehabilitation, reinstatement, relapse, renewal, restitution, restoration, retreat to immaturity, retrocession, retrogradation, retrogression, retroversion, return, returning, reversal, reverse, reversion, reverting, revulsion, rising, run, rush, set, setback, sideward motion, sinking, slippage, slipping back, slump, soaring, sternway, stream, subsiding, throwback, traject, trajet, trend, turn, turnabout, upward motion, wane