unflushable

unflushable adjective: of a toilet, that cannot be flushed.

Adjective

unflushable (not comparable)

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 January 3, Timothy Egan, “The Case for a One-Term Joe”, in The New York Times
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 December 23, ElizaMcPhee, “Kids' toys, jewellery and a BRICK: The bizarre things Sydneysiders tried to flush down their toilet - wih flushed wet wipes costing $8MILLION a year”, in Daily Mail...
Of an item, that remains in the toilet bowl despite flushing.

unflushable (plural unflushables)

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 September 7, Adam Sternbergh, “Selling Your Sex Life”, in The New York Times Magazine

plural	unflushables

From un- + flushable.

What does unflushable mean?: Unflushable means of a toilet, that cannot be flushed.
What part of speech is unflushable?: Unflushable can be an adjective or a noun.

Adapted from Wiktionary: unflushable (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this entry: “unflushable.” Word.ws, https://word.ws/unflushable. Based on Wiktionary, CC BY-SA 4.0.