Is “Knightliest” a Scrabble word?
Yes
KNIGHTLIEST
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 Knightliest
adjective
1.Of or pertaining to a knight or knights.
2.Befitting a knight; formally courteous (as a knight); chivalrous, gallant and courtly.
“knightly combat”