intransitive verb

1. to flow and spread suddenly and rapidly
2. to become red in the face, as with embarrassment or anger; blush
3. to glow
4. to become cleaned, washed, or emptied out with a sudden flow of water, etc.
5. to start up from cover: said of birds

Etymology: complex of several words, with senses flash & ME flusshen, to fly up suddenly, blended with echoic elements; “flow” senses < ? or akin to OFr fluir (stem fluiss-), to flow

transitive verb

1. to make flow
2. to clean, wash, or empty out with a sudden flow of water, etc.
3. to make blush or glow
4. to excite; animate; exhilarate: usually in the passive voice flushed with victory
5. to drive (game birds) from cover
6. to make level or even

noun

1. a sudden and rapid flow, as of water in washing out something
2. a sudden, vigorous growth the first flush of youth
3. a sudden feeling of excitement or exhilaration
4. a blush; glow
5. a sudden feeling of great heat, as in a fever

adjective

1. well supplied, esp. with money
2. abundant; plentiful
3. Dialectal lavish; profuse
4. Rare full of vigor
5. Rare having a ruddy color; glowing
6. 1. making an even or unbroken line or surface; being even or on the same line or plane a door flush with the walls
   2. even with a margin or edge
7. direct; full

adverb

1. in an even manner; so as to be level or in alignment
2. directly; squarely it hit him flush in the face

noun

Etymology: Fr flux: see flux