Is “Nay” a Scrabble word?
Yes
NAY
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 Nay
/neɪ/
noun
1.A vote against.
“I vote nay, even though the motion is popular, because I would rather be right than popular.”
2.A person who voted against.
“The vote is 4 in favor and 20 opposed; the nays have it.”
3.A denial; a refusal. https//books.google.com/books?id=uysQzJy9IwMC&pg=PA818&dq=%22word+nay+a+denial+refusal%22&hl=en&sa=X&ved=0ahUKEwij_5CHi-3cAhWJ2FMKHWjCDdMQ6AEIJzAA#v=onepage&q=%22word%20nay%20a%20denial%20refusal%22&f=false
verb
1.To refuse.
adjective
1.Nary.
adverb
1.No.
2.Introducing a statement, without direct negation.
3.Or rather, or should I say; moreover (introducing a stronger and more appropriate expression than the preceding one).
“His face was dirty, nay, filthy.”