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Shut fast has 10 synonyms. The top synonyms for shut fast are tight, snug, staunch, sealed, hermetic, airtight, watertight, waterproof and 2 more. Another word for shut fast is tight. Browse the full list below.
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| Random | DefinitionA common synonym for shut fast is tight. Other synonyms include snug, staunch, sealed, hermetic.
Shut fast has 10 synonyms listed on Thesaurasize.
(n): a valve used to turn off something; the act of turning off something Example: "the fire raged for hours because they were unable to reach the shutoff for the gas line."
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