Is “Hist” a Scrabble word?
Yes
HIST
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 Hist
noun
1.An instance of an exclamation attracting attention or injunction to be silent.
interjection
1.An utterance used to discreetly attract someone's attention.
2.An injunction to be silent and/or to pay attention to what is being said or can be heard.
Synonyms: hush, shh, shush, whist, hark, hey