- 1[intransitive, transitive] (of a person or their face) to become red, especially because you are embarrassed, angry, or hot She flushed with anger. + adj. Sam felt her cheeks flush red. flush something A rosy blush flushed her cheeks.
- 2[intransitive, transitive] flush (something) when a toilet flushes or you flush it, water passes through it to clean it, after a handle, etc. has been pressed
- 3[transitive] to clean something by causing water to pass through it flush something out (with something) Flush the pipe out with clean water. flush something through something Flush clean water through the pipe.
- 4[transitive] flush something + adv./prep. to get rid of something with a sudden flow of water They flushed the drugs down the toilet. Drinking lots of water will help to flush toxins out of the body. Gallons of toxic waste were flushed into the sea. Phrasal Verbsflush somebody/something out (of something)
NAmE//flʌʃ//Verb Forms present simple I / you / we / they flush
he / she / it flushes
past simple flushed
-ing form flushing