deteriorate


de·te·ri·o·rate

verb \di-ˈtir-ē-ə-ˌrāt, dē-\

: to become worse as time passes

: to make (something) worse

de·te·ri·o·rat·edde·te·ri·o·rat·ing

Full Definition of DETERIORATE

transitive verb
1
:  to make inferior in quality or value :  impair
intransitive verb
:  to become impaired in quality, functioning, or condition :  degenerate <allowed a tradition of academic excellence to deteriorate> <his health deteriorated>
de·te·ri·o·ra·tive \-ˌrā-tiv\ adjective

Examples of DETERIORATE

  1. efforts to save a deteriorating rain forest
  2. Exposure to rain and sun will gradually deteriorate the paint.

Origin of DETERIORATE

Late Latin deterioratus, past participle of deteriorare, from Latin deterior worse, from de- + -ter (suffix as in Latin uter which of two) + -ior (comparative suffix) — more at whether, -er
First Known Use: 1572

de·te·ri·o·rate

intransitive verb \di-ˈtir-ē-ə-ˌrāt\   (Medical Dictionary)
de·te·ri·o·rat·edde·te·ri·o·rat·ing

Medical Definition of DETERIORATE

: to become impaired in quality, functioning, or condition : degenerate <her health deteriorated> <deteriorating vision>

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