Is “Sing” a Scrabble word?
Yes
SING
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 Sing
/sɪŋ/
noun
1.A gathering at which people sing songs.
verb
1.To produce musical or harmonious sounds with one’s voice.
“"I really want to sing in the school choir," said Vera.”
2.To express audibly by means of a harmonious vocalization.
3.To soothe with singing.
“to sing somebody to sleep”