floodgate
0 antonyms and opposites of floodgate, grouped by meaning.
Noun — An adjustable gate or valve used to control the flow of water through a sluice.
We haven't recorded synonyms for floodgate yet. You can still read its full definition, where it comes from, or words that rhyme with it.
Etymology
From Middle English flodegate, flodgate, flodeyate, floodȝate, flodȝete, equivalent to flood + gate.
Full origin of floodgate →