(redirected from deterioratingly)


v. de·te·ri·o·rat·ed, de·te·ri·o·rat·ing, de·te·ri·o·rates
To diminish or impair in quality, character, or value: Time and neglect had deteriorated the property.
1. To grow worse; degenerate: The weather deteriorated overnight.
2. To weaken or disintegrate; decay: The nation's highways are deteriorating at a rapid pace.

[Late Latin dēteriōrāre, dēteriōrāt-, from Latin dēterior, worse; see de- in Indo-European roots.]

de·te′ri·o·ra′tion n.
de·te′ri·o·ra′tive adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.