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HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
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THESAURUS

WORDNET DICTIONARY

Verb retrogress has 2 senses

• retrogress(v = verb.change) regress, retrograde - get worse or fall back to a previous condition; Array
is one way to decline, worsen
Derived forms noun retrogression₂, adjective retrogressive₁
Sample sentences:
Something ----s
Somebody ----s
Somebody ----s PP

• retrogress(v = verb.body) fall back, lapse, recidivate, regress, relapse - go back to bad behavior; "Those who recidivate are often minor criminals"
is one way to regress, retrovert, return, revert, turn back
Sample sentence:
Somebody ----s

CIDE DICTIONARY

OXFORD DICTIONARY

THESAURUS

retrogress

advance, ascend, back, back up, backslide, budge, change, change place, circle, climb, cock, come after, come last, degenerate, descend, deteriorate, disimprove, ebb, fall astern, fall back, fall behind, flow, follow, get behind, get over, get worse, go, go around, go back, go backwards, go behind, go round, go sideways, grow worse, gyrate, jerk back, lag behind, lapse, lapse back, let down, lose ground, mount, move, move over, plunge, progress, pull back, recede, recidivate, regress, relapse, retrocede, retroflex, retrograde, retrovert, return, reverse, revert, rise, rotate, run, shift, sicken, sink, slacken, slip back, soar, spin, stir, stream, subside, throw back, trail, trail behind, travel, wane, whirl, worsen

For further exploring for "retrogress" in Webster Dictionary Online