Read the dictionary definition of flush. All definitions for this word.
1. sudden reddening of the face (as from embarrassment or guilt or shame or modesty)
2. a sudden rapid flow (as of water)
1. he heard the flush of a toilet
2. there was a little gush of blood
3. she attacked him with an outpouring of words
3. the swift release of a store of affective force
1. they got a great bang out of it
2. what a boot!
3. he got a quick rush from injecting heroin
4. he does it for kicks
4. a poker hand with all 5 cards in the same suit
5. a rosy color (especially in the cheeks) taken as a sign of good health
6. sudden brief sensation of heat (associated with menopause and some mental disorders)
7. the period of greatest prosperity or productivity
8. turn red, as if in embarrassment or shame
1. The girl blushed when a young man whistled as she walked by
9. cause to flow or flood with or as if with water
1. flush the meadows
10. flow freely
1. The garbage flushed down the river
11. irrigate with water from a sluice
1. sluice the earth
12. rinse, clean, or empty with a liquid
1. flush the wound with antibiotics
2. purge the old gas tank
13. make level or straight
1. level the ground
14. glow or cause to glow with warm color or light
1. the sky flushed with rosy splendor
15. of a surface exactly even with an adjoining one, forming the same plane
1. a door flush with the wall
2. the bottom of the window is flush with the floor
16. having an abundant supply of money or possessions of value
1. an affluent banker
2. a speculator flush with cash
3. not merely rich but loaded
4. moneyed aristocrats
5. wealthy corporations
6. a substantial family
17. squarely or solidly
1. hit him flush in the face
18. in the same plane
1. set it flush with the top of the table