Is “Flush” a Scrabble word?
Yes
FLUSH
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Flush
/ˈflʌʃ/
noun
1.A group of birds that have suddenly started up from undergrowth, trees etc.
verb
1.To cause to take flight from concealment.
“The hunters flushed the tiger from the canebrake.”
2.To take suddenly to flight, especially from cover.
“A covey of quail flushed from the undergrowth.”