Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR RETROGRADES

When a man ceases to work he retrogrades; he becomes a stranger to lofty ideals and wholesome activities.

He either progresses or retrogrades, and no man progresses except by means of steady improvement.

Each new generation must improve upon its parents; else the world stands still or retrogrades.

From being an earnest advocate she advances—or retrogrades—to the status of a plain bore.

If it retrogrades, it is under the control of something else, and loses its independent existence.