Meaning of “overwhelm” in the English Dictionary

"overwhelm" in English

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(Definition of “overwhelm” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"overwhelm" in American English

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overwhelmverb [ T ]

us /ˌoʊ·vərˈhwelm, -ˈwelm/

to be too much to deal with:

The number of refugees overwhelmed the relief agencies in the area.

To overwhelm is also to cause someone to feel sudden strong emotion:

He was overwhelmed by feelings of remorse for what he had done.

(Definition of “overwhelm” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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In the coming five to ten years, emissions from these countries because of expanding energy systems will totally overwhelm us unless we help them to do the right things now.
Just think of the financial speculation that can overwhelm entire geographical areas, reducing them to poverty or even causing institutional upheaval.
We should have a set of measures planned that will enable us to deal with a situation that will otherwise overwhelm us.