Synonyms of 'bung'
1 stopperDictionary, top, capPump the air out, then remove the bung.
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A plug is a small, round piece of wood, plastic, or wax which is used to block holes.
A plug had been inserted in the drill hole.
Thesaurus for bung from the Collins English Thesaurus
A bung is a round piece of wood, cork, or rubber which you use to close the hole in a container such as a barrel or flask .