Synonyms of seal something up
seal something up
▷ See seal
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blockTo block a road, channel, or pipe means to put an object across it or in it so that nothing can pass through it or along it.
• When the shrimp farm is built it will block the stream.
• Fill the holes with plaster.
plugIf you plug a hole, you block it with something.
• Crews are working to plug a major oil leak.
Thesaurus for seal something up from the Collins English Thesaurus