Is “Tightly” a Scrabble word?
Yes
TIGHTLY
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 Tightly
/ˈtaɪtli/
adverb
1.In a tight manner.
“tightly clenched fingers”