Is “Pos” a Scrabble word?
Yes
POS
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 Pos
adjective
1.Infected by the HIV virus
Synonyms: HIV+, poz
adjective
1.Not negative or neutral.
2.Formally laid down.
3.Stated definitively and without qualification.
Synonyms: certain, sure, wis