flush

1 noun

1 (singular) a red colour that appears on your face or body, especially because you are embarrassed, ill, or excited: “How can you tell?” he said as a flush crept up his neck.

—see also: hot flush

2 a flush of pride/embarrassment etc a sudden feeling of pride, excitement, or another emotion

3 the first flush of youth/success etc the beginning of a period of time when you feel excited because you are young, successful etc

4 (C) a set of cards that someone has in a card game that are all of the same suit (suit1 (3))

5 (C) the part of a toilet that cleans it with a sudden flow of water

6 (C) the act of cleaning something by forcing water through it

2 verb

1 (I, T) if you flush a toilet or if it flushes, you make water go through it to clean it : flush sth down the toilet: Mandy accidentally flushed her ring down the toilet.

2 (I) to become red in the face: Flushing slightly, Lesley looked away.

3 also flush out (T) to clean something by forcing water or another liquid through it: Try flushing out the blockage with boiling water.

4 (transitive always + adv/prep) to make someone leave the place where they are hiding : flush sb from/out of: The police managed to flush the gang from their hideout.

3 adjective

1 if two surfaces are flush they are at ex- actly the same level, so that the place where they meet is flat

(+ with): Make sure that the cupboard is flush with the wall.

2 (not before noun) informal if someone is flush they suddenly have plenty of money for a short time

4 adverb fitting together so that the place where two surfaces meet is flat: The door should fit flush into its frame.