ungreening

Verb

ungreen (third-person singular simple present ungreens, present participle ungreening, simple past and past participle ungreened)

1. To expose to air after dyeing in indigo so that the greenish color fades away.
   • When necessary to air and ungreen, by drawing the pulley the frame rises, and the cloth drains into the vat.1854, James Burch Robb, A Collection of Patent Cases Decided in the Supreme and Circuit Courts, from Their Organization to the Year 1850, page 213
2. To make or become familiar with and adept in handling a new environment.
   • Freshmen are called greens, and a ceremony was (and perhaps is) used in ungreening them, and admitting them to their full academical privileges.1850, Charles Cuthbert Southey, The Life and Correspondence of Robert Southey - Volume 5, page 227
3. To change from green to some other color, as occurs with leaves in the autumn.
   • Harvests are congratulated She is pleased with the sight, Sweet hard apples and Small ungreening leaves.2005, Kevin McGrath, Flyer, page 47
4. To urbanize or become less environmentally friendly.
   • John Robinson, in “Highways and Our Environment," complains that the highway system not only has disfigured our countryside by slapping down acres of concrete that threatens to ungreen America, but also carries an increasing number of cars that further befoul the environment by thrusting more...1971, City - Volume 5, page 50

See all 8 meanings of ungreen