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deterioration noun

ADJ. marked, serious, significant a serious deterioration in relations between the two governments | rapid, sharp | gradual, progressive | mental, physical Mental and physical deterioration both occur naturally with age. | environmental

VERB + DETERIORATION cause, lead to, result in The stress led to a gradual deterioration in her health. | prevent Limits on the dumping of waste will at least prevent further environmental deterioration in the region. | arrest Steps need to be taken quickly to arrest the deterioration in the countries' relationship.

DETERIORATION + VERB occur

PREP. ~ in a rapid deterioration in his condition

PHRASES signs of deterioration The car's bodywork was already showing signs of deterioration.