Is “Lunatic” a Scrabble word?
Yes
LUNATIC
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 Lunatic
/ˈluːnətɪk/
noun
1.An insane person.
Synonyms: moonling
adjective
1.Crazed, mad, insane, demented.
Synonyms: crazed, demented, insane, mad, maniacal, psychotic