To shout louder than (someone) in order to force through one's argument or point of view.(verb)
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Use "shout down" in a sentence
"A sentry — Mother Benedict — was posted outside on the landing to keep watch on the progress which the fire was making up the stairs, and Mrs. Bradley herself went back to the floor below — which was burning hot to her feet and might, she knew, at any moment fall through in a rush of flame — to shout down orders to George."