Is “Choosiest” a Scrabble word?
Yes
CHOOSIEST
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 Choosiest
adjective
1.Taking care when choosing that what is chosen best suits one's tastes, desires or requirements.
Synonyms: discriminating, fussy, particular, picky, selective