Is “Rebut” a Scrabble word?
Yes
REBUT
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 Rebut
/ɹɪ.ˈbʌt/
verb
1.To drive back or beat back; to repulse.
2.To deny the truth of something, especially by presenting arguments that disprove it.