Is “Yup” a Scrabble word?
Yes
YUP
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 Yup
/jʌp/
noun
1.A yes; an affirmative answer.
Synonyms: yep
interjection
1.Yes.