Is “Pst” a Scrabble word?
Yes
PST
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 Pst
interjection
1.Implies that the speaker is sending secret or whispered information to another person.
“Psst, John, don’t tell anyone, but I’ve got lots of candy stashed away.”
Synonyms: hist