Is “Cosying” a Scrabble word?
Yes
COSYING
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 Cosying
verb
1.To become snug and comfortable.
2.To become friendly with.
“He spent all day cosying up to the new boss, hoping for a plum assignment.”