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English definition of “broaden”

broaden

verb [I or T] (WIDER)    /ˈbrɔː.dən/ US  /ˈbrɑː-/
to become wider, or to cause something to become wider: The track broadens and becomes a road at this point. They are broadening the bridge to speed up the flow of traffic.Enlarging and inflatingBecoming bigger
(Definition of broaden verb (WIDER) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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