Is “Adust” a Scrabble word?
Yes
ADUST
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 Adust
/əˈdʌst/
adjective
1.(usually postpositive, of a bodily humour) Abnormally dark or over-concentrated; associated with various states of discomfort or illness (specifically being too hot or dry).
2.(by extension) Hot and dry; thirsty or parched.
3.Burnt or having a scorched color.