Is “Long” a Scrabble word?
Yes
LONG
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 Long
/ˈlɔːŋ/
noun
1.A long vowel.
2.A long syllable.
3.A note formerly used in music, one half the length of a large, twice that of a breve.
verb
1.To take a long position in.
adjective
1.Having much distance from one terminating point on an object or an area to another terminating point (usually applies to horizontal dimensions; see Usage Notes below).
“It's a long way from the Earth to the Moon.”
2.Having great duration.
“The pyramids of Egypt have been around for a long time.”
3.Seemingly lasting a lot of time, because it is boring or tedious or tiring.
Synonyms: extended, lengthy, prolonged, deep, extended, high