Is “Whoa” a Scrabble word?
Yes
WHOA
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 Whoa
/wəʊ/
verb
1.To attempt to slow (an animal) by crying "whoa".
interjection
1.Stop (especially when commanding a horse or imitative thereof); calm down; slow down.
“Whoa, Nelly!”
2.An expression of surprise.
“Whoa, are you serious?”
3.Used as a meaningless filler in song lyrics.