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English definition of “dumb sth down”

dumb sth down

informal disapproving phrasal verb with dumb     /dʌm/ verb
to make something simpler and easier for people to understand , especially in order to make it more popular : The General Synod accused broadcasters of dumbing down religious programmes .Elaborating, specifying and simplifying
(Definition of dumb sth down from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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