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

Respondents perceive a significant reduction in the probability of a severe deterioration in economic prospects. —Diane Brady, Fortune, 17 June 2025

Rossetti had been working on the CONCERN Study, which had successfully developed an AI model to detect patient deterioration in the hospital setting. —Alexis Kayser, MSNBC Newsweek, 12 June 2025

Before Season 1 began, Krueger took set his character’s deterioration up for dramatic success. —Alison Foreman, IndieWire, 10 June 2025

That’s the chef drama, but the interior also shows signs of potential deterioration, no matter how hard Fraser may try to avoid conflict between the stews. —Rafaela Bassili, Vulture, 10 June 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