Synonyms of floodgate


1. floodgate, restraint

usage: something that restrains a flood or outpouring; "suspension of surveillance opened the floodgates to illegal immigrants"

2. sluicegate, sluice valve, floodgate, penstock, head gate, water gate, regulator

usage: regulator consisting of a valve or gate that controls the rate of water flow through a sluice

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Definition and meaning of floodgate (Dictionary)