deteriorate meaning

The word ‘deteriorate’ means to become worse or lower in quality.

deteriorate :

to become worse, to decline

Verb

▪ The building has started to deteriorate.

▪ The building has started to become worse.

▪ His health deteriorated quickly.

▪ His health got worse quickly.

paraphrasing

▪ worsen – to become worse

▪ decline – to go down

▪ degrade – to lower in quality

▪ degenerate – to fall apart

Pronunciation

deteriorate [dɪˈtɪəriəˌreɪt]

The stress is on 'teer' and sounds like 'di-teer-ee-uh-rate'.

Common phrases and grammar about deteriorate

deteriorate - Common meaning

Verb
to become worse, to decline

Part of Speech Changes for "deteriorate"

▪ deterioration (noun) – the process of becoming worse

▪ deteriorated (adjective) – made worse or lower in quality

Common Expressions with "deteriorate"

▪ deteriorate rapidly – to become worse quickly

▪ deteriorate over time – to become worse slowly

▪ deteriorate in quality – to lose quality

▪ deteriorate due to neglect – to become worse because of lack of care

Important examples of deteriorate in TOEIC

Vocabulary examples from the TOEIC test

In TOEIC vocabulary questions, deteriorate is often used to describe worsening conditions or situations.

▪The road conditions have deteriorated.
▪The road conditions have become worse.

Example of a confusing word: ameliorate (to improve)

▪The road conditions have ameliorated.
▪The road conditions have improved.
"Deteriorate" is an intransitive verb meaning "to become worse," often used in contexts involving conditions or situations. In the sentence "The road conditions have deteriorated," it correctly conveys that the conditions have worsened. "Ameliorate," on the other hand, means "to improve" and indicates a positive change. Using "ameliorate" in this context would be incorrect because it suggests an improvement rather than a decline. Therefore, "deteriorate" is the appropriate choice here.

Grammar examples from the TOEIC test

Deteriorate is used as an intransitive verb, often appearing in grammar questions to describe a decline.

▪The situation is deteriorating.
▪The situation is getting worse.

deteriorate

Idioms and fixed expressions in TOEIC

deteriorate in value

'to lose worth', used in financial contexts.

▪The asset has deteriorated in value.
▪The asset has lost worth.

go downhill

means 'to become worse', used informally.

▪His performance went downhill after the injury.
▪His performance became worse after the injury.

Differences between similar words and deteriorate

deteriorate

,

worsen

differences

Deteriorate means to become worse over time, while worsen can be more immediate.

deteriorate
▪The weather deteriorated over the week.
▪The weather got worse over the week.
worsen
▪His condition worsened overnight.
▪His condition got worse overnight.

deteriorate

,

decline

differences

Deteriorate implies a decrease in quality, while decline can mean a decrease in quantity or quality.

deteriorate
▪The quality of the air has deteriorated.
▪The sales numbers went down last month.
decline
▪The sales numbers declined last month.
▪The sales numbers went down last month.

Words with the same origin as deteriorate

The origin of deteriorate

deteriorate comes from the Latin 'deteriorare', which meant 'to make worse'.

Word structure

It has the prefix de (down), root terior (worse), suffix ate (verb), meaning 'to make worse'.

Words with the same origin

The root of deteriorate is terior (worse). The word's root is unclear or difficult to confirm.

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