Is “Extragalactic” a Scrabble word?
Yes
EXTRAGALACTIC
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 Extragalactic
adjective
1.Originating outside of the Milky Way galaxy.
“Extragalactic astronomy is the study of things outside the Milky Way”
2.Originating outside of any galaxy.