deterioration

noun

de·​te·​ri·​o·​ra·​tion di-ˌtir-ē-ə-ˈrā-shən 

dē-

: the action or process of becoming impaired or inferior in quality, functioning, or condition : the state of having deteriorated

rust deterioration

the deterioration of academic standards

Synonyms

• debilitation
• decay
• decaying
• declension
• decline
• degeneration
• descent
• ebbing
• enfeeblement
• weakening

Choose the Right Synonym for deterioration

deterioration, degeneration, decadence, decline mean the falling from a higher to a lower level in quality, character, or vitality.

deterioration implies generally the impairment of value or usefulness.

the deterioration of the house through neglect

degeneration stresses physical, intellectual, or especially moral retrogression.

the degeneration of their youthful idealism into cynicism

decadence presupposes a reaching and passing the peak of development and implies a turn downward with a consequent loss in vitality or energy.

cited love of luxury as a sign of cultural decadence

decline differs from decadence in suggesting a more markedly downward direction and greater momentum as well as more obvious evidence of deterioration.

the meteoric decline of his career after the scandal

Examples of deterioration in a Sentence

the gradual deterioration of the weather

a deterioration of academic standards

Recent Examples on the Web

They are then transported to the Berkhamsted conservation center, where their condition is examined for deterioration. —Benny Har-Even, Forbes.com, 5 June 2025

Nationwide, the ramifications of deportation for these key citizens will affect all of us, which can lead to deterioration of our healthcare system, hospitals, clinics, nursing homes, home health aides, etc. —Rachel Blumberg, Sun Sentinel, 3 June 2025

If that requires an all-out effort to diminish the manifestations of your gradual physical deterioration, bless you—go for it. —Valerie Monroe, Allure, 2 June 2025

Both sides have been firing unprecedented numbers of drones at each other’s cities, though Russian attacks appear, perhaps due to the deterioration of Ukrainian air defenses, to be more destructive. —Fred Weir, Christian Science Monitor, 30 May 2025

Word History

Etymology

see deteriorate

First Known Use

circa 1658, in the meaning defined above

Rhymes for deterioration

• acclimatisation
• acclimatization
• acidification
• actualization
• annualization
• autocorrelation
• autoregulation
• beatification
• beneficiation
• biodegradation
• biotransformation
• bureaucratization

Medical Definition

deterioration

noun

de·​te·​ri·​o·​ra·​tion di-ˌtir-ē-ə-ˈrā-shən 

: the action or process of deteriorating : the state of having deteriorated

personality deterioration

neurological deterioration