unflushable adjective 3noun 1forms 1 adjective3 •Of a toilet, that cannot be flushed.You may have heard an old crank in a big house ranting about appliances and unflushable toilets the other day. — 2020 •Of a product, not designed to be disposed of by flushing down the toilet.The Sydney water team are hoping that by showing families the 'unflushable' and 'unsinkable' items, that the environment will be a lot better off. — 2021 •Of an item, that remains in the toilet bowl despite flushing. noun1 •An item that cannot be flushed.Recently, I asked Moffat about the "unflushables" gag -- which leads to one of the funniest jokes in the British show -- and he said flatly, "That was not taken out by me." — 2003 formsunflushables
