flush

FLUSH /flʌʃ/
verbnounB1TOEFL
neutraleveryday

To cleanse or empty a toilet or pipe by a sudden rush of water; the act of flushing.

Implies a rapid, forceful volume of water clearing a space, rather than a slow rinse.

The story behind the word. The word emerged in the 16th century, likely coined to mimic the sudden, violent rush of water. It originally referred to a sudden flooding of a river before finding its permanent home in the vocabulary of sanitary plumbing.

Word relationships

  • rinse: 'Rinse' is a gentle wash, whereas 'flush' involves a high-volume, high-pressure rush of water.
  • purge: 'Purge' is more technical and can refer to removing air or gas, while 'flush' is almost always liquid-based.

Commonly confused with

  • flush (adjective): As an adjective, 'flush' means even or level with another surface (e.g., 'the cabinet is flush with the wall').

Collocations

  • flush the toilet
  • toilet flush
  • double flush
  • flush out

Idioms & expressions

  • flush with cash
  • flush down the toilet

Example sentences

  • "Please flush the toilet after use to maintain cleanliness." A sign in a public restroom.
  • "You should flush the tank once a year to remove mineral buildup." Explaining how to clear sediment from a water heater.

Memory hook

The sound of the word 'flush' mimics the rushing 'shhh' sound of water clearing the toilet bowl. Flush: Rushes water to clear the waste.

When not to use

Do not use 'flush' when you mean to gently rinse a delicate surface without force.

Fun facts

  • Sir John Harington invented the first flushing toilet in 1596 for Queen Elizabeth I, which is why the toilet is colloquially called 'the John'.

Related words

plunger, siphon, valve

Explore more words

Rinse, deluge, influx, scrub, sweep, surge

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