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 the Appendix of Indo-European roots.]
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