Definition of deterioration in US English:

deterioration

noun

  • The process of becoming progressively worse.

    ‘a deterioration in the condition of the patient’
    • ‘The images would be compared every year to detect any deterioration.’
    • ‘Anti-freeze must be changed every two years due to the deterioration of the corrosion inhibitors.’
    • ‘But if there is a deterioration in sales, Hunter will not be able to drop his offer.’
    • ‘To prevent such sudden deteriorations, it is considered preferable to keep patients in intensive care longer.’
    • ‘Our society has almost sunk into abysmal moral degeneration and deterioration.’
    worsening, decline, decay, collapse, failure, fall, drop, downturn, slump, slip, slide, stagnation, waning, ebb, retrogression
    decay, degradation, degeneration, breakdown, decomposition, rot, putrefaction, spoliation, perishing
    View synonyms

Pronunciation

deterioration

/dəˌtirēəˈrāSH(ə)n//dəˌtɪriəˈreɪʃ(ə)n/