Is “Nag” a Scrabble word?
Yes
NAG
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 Nag
/neɪɡ/
noun
1.A small horse; a pony.
2.An old useless horse.
3.A paramour.
Synonyms: dobbin, hack, jade, plug