Is “Chestiest” a Scrabble word?
Yes
CHESTIEST
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 Chestiest
adjective
1.(of a woman) Having large breasts; busty.
2.(of a cough or cold) Not dry; involving the coughing of phlegm.
“a chesty cough; a chesty cold”
3.Coming from, or associated with, the chest.
“a deep chesty voice”