decline · verb /dɪˈklɑɪn/Full view
decline (GET LESS)
B2 I to gradually become less or worse
Dictionary examples:

His interest in the project declined after his wife died.

The party's popularity has declined in the opinion polls.

Learner example:

It had slightly declined to about 88 per cent in 1992. (International English Language Testing System; ; Chinese)

decline (REFUSE)
B2 I or T to refuse politely
Dictionary examples:

I invited him to the meeting but he declined.

He declined my offer.

Learner example:

We thank you for your offer of accommodation, but we decline it. (First Certificate in English; B2; French)

decline · noun C or U /dɪˈklɑɪn/
B2 when something becomes less in amount, importance, quality or strength
Dictionary examples:

industrial decline

Home cooking seems to be on the/in decline.

a sharp decline in sales

She seemed to be recovering and then she went into a decline.

Learner example:

For the 25-34 age group, a decline can be seen from 2006 to 2010. (International English Language Testing System; ; Chinese)

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