tr. & intr.v. a·me·lio·rat·ed, a·me·lio·rat·ing, a·me·lio·rates
To make or become better; improve: Volunteers were able to ameliorate conditions in the refugee camp. Conditions are ameliorating.
[Alteration of MELIORATE.]
a·melio·ra·ble (-rə-bəl) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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