Is “Sparkliest” a Scrabble word?
Yes
SPARKLIEST
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 Sparkliest
adjective
1.Giving off sparks, or small flashes of light; glittery
2.Lively and high-spirited
3.Bubbly or effervescent
Synonyms: bubblesome, fizzy, sparkling