Is “Poshest” a Scrabble word?
Yes
POSHEST
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 Poshest
adjective
1.Associated with the upper classes.
“She talks with a posh accent.”
2.Stylish, elegant, exclusive (expensive).
“After the performance they went out to a very posh restaurant.”
3.(usually offensive) Snobbish, materialistic, prejudiced, under the illusion that one is better than everyone else.
“We have a right posh git moving in next door”