Meaning of “obsolete” in the English Dictionary

"obsolete" in American English

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obsoleteadjective [ not gradable ]

us /ˌɑb·səˈlit/

no longer used or needed, usually because something newer and better has replaced it:

Typewriters have been rendered obsolete by computers.

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

"obsolete" in Business English

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uk /ˈɒbsəliːt/ us

not in general use any more, having been replaced by something newer and better or more fashionable:

Payment by cheque will soon be obsolete.
become/be rendered obsolete Traditional retailing is in danger of being rendered obsolete by the internet.
We need to replace some obsolete equipment.

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

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The simplification of the current regulation's structure, the deletion of obsolete provisions and extending the obligation to file reports to cover new substances are reforms that were sorely needed.
We are not only talking about obsolete stocks of pesticides here, however, although it is important to tackle that problem very meticulously.
The globalisation of the markets calls for new financial and economic rules to replace the obsolete rules of the past century.
Most of these installations have now been shut down and have become obsolete, and they have been maintained in a secure state pending decommissioning.
If this tool is correctly applied, pollution will become more and more expensive and the market will ensure that products obtained through the least clean methods become obsolete.
The different time zones in a region over which a satellite broadcasts make that obsolete in any case, and so even that method has serious limitations.
To this extent, the principle of complete technical harmonization which formed the basis for the corresponding 1985 directive is now obsolete.
Another means of improving patient protection is to ensure that resources allocated to pharmaceutical research are not squandered on obsolete trials or trials also carried out at another site.
Are they ineffective, obsolete?
As we prepare to revise this legislation, a number of instruments now appear obsolete and should be removed to make it more readable.