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

As leaders in the industry who have spent countless hours underground repairing failing gas lines, our licensed gas contractors have witnessed firsthand the deterioration of our state’s natural gas infrastructure. —Harley Flack, Baltimore Sun, 3 Apr. 2025

Not spending enough time in the two deep stages of slumber might speed up the deterioration of parts of the brain associated with Alzheimer’s disease, a new study found. —Daniel Wine, CNN Money, 31 Mar. 2025

The sharp exchanges in court are another sign of months of deterioration in the relationship between PURA, under Gillett’s leadership, and the utility industry at a time when rates continue to rise. —Edmund H. Mahony, Hartford Courant, 26 Mar. 2025

This in turn could increase insurance premiums for those who remain because of a deterioration in the risk pool, the Oklahoma Insurance Department said in its release. —Kevin Sabet, Newsweek, 24 Mar. 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