Is “Quintessential” a Scrabble word?
Yes
QUINTESSENTIAL
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 Quintessential
/ˌkwɪnt.əˈsɛn.ʃəl/
adjective
1.Of the nature of a quintessence (in all senses); ultimate.