Stop up definitions

Stop up

1) Clog 2) Plug 3) Prevent drainage in 4) Visit the penthouse
Found on https://www.crosswordclues.com/clue/stop-up

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stop up

verb fill or close tightly with or as if with a plug; `plug the hole`; `stop up the leak`
Found on https://www.encyclo.co.uk/local/20974

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