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English definition of “maintain”

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maintain

verb [T]
 
 
/meɪnˈteɪn/
to make something continue in the same way or at the same level: Maintaining a company's brand and reputation requires a lot of hard work. Charities need only give 5% of proceeds each year to maintain a tax exemption. We have been able to maintain prices for our customers at their current level. The college has maintained links with similar institutions in other parts of the country.
to keep a building, machine, road, etc. in good condition by checking it regularly and repairing it if necessary: The premises are clean and well maintained. Communication is made difficult by the poorly maintained road network. The commission operates and maintains 20 river bridges.
FINANCE to make regular payments in order to support someone financially or to keep something that you already own: More and more people are struggling to afford the cost of maintaining a home.
to say firmly that something is true: maintain (that) Senior accountants at the firm maintained they knew nothing of the transactions.
(Definition of maintain from the Cambridge Business English Dictionary © Cambridge University Press)
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