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"flush" is also used as a crossword clue. If that's what you saw, the answer is often blush (5 letters).
Definitions
squarely or solidly
Word origin
From Middle English flusshen, fluschen, of uncertain origin. Compare dialectal flusk (“to fly at, startle a bird out of the bush”) and flusker (“to flutter, fly irregularly”). Perhaps related to Middle English flasshen, flasschen, flaschen, see flash; or a Middle English blend of flowen (“to flow”) + guschen (“to gush”). Compare Saterland Frisian flutskje, German Low German flutschen, German flutschen.
Used in a sentence
“As when a Faulcon hath with nimble flight / Flowne at a flush of Ducks foreby the brooke […].”
“The dogs flushed the deer from the woods.”
“A covey of quail flushed from the undergrowth.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Level with a surface”5 letters
02“Even with a surface”5 letters
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