Is “Hypaethral” a Scrabble word?
Yes
HYPAETHRAL
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 Hypaethral
/hʌɪˈpiːθɹəl/
adjective
1.Open-air, outdoor, exposed to the sky.