Meaning of “redefine” in the English Dictionary

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

"redefine" in American English

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redefineverb [ T ]

us /ˌri·dɪˈfɑɪn/

to give something a new meaning:

Researchers have called for the government to redefine dietary guidelines.

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

"redefine" in Business English

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redefineverb [ T ]

uk /ˌriːdɪˈfaɪn/ us

to change the way you think about a situation or activity because of new developments or ideas:

The whole concept of "retirement" has been redefined in recent years.
Public service broadcasting needs to be assessed and redefined in the multi-channel digital world.
redefine a business/industry/market The bank is in the process of redefining the business of its troubled investment-banking subsidiary.
redefine a role/relationship/approach A company that redefines its sales approach without giving its staff the tools to support the new approach can find itself in a worse position than if it had done nothing at all.
redefine what/how, etc. Technology has redefined how people make decisions.

(Definition of “redefine” from the Cambridge Business English Dictionary © Cambridge University Press)