Is “Ef” a Scrabble word?
Yes
EF
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 Ef
/ɛf/
noun
1.The name of the Latin-script letter F.
conjunction
1.Supposing that, assuming that, in the circumstances that; used to introduce a condition or choice.
“If it rains, I shall get wet.”
2.In the event that a statement is true (a programming statement that acts in a similar manner).
“If A, then B, else C.”
3.Supposing that; used with past or past perfect subjunctive indicating that the condition is closed.
“I would be unhappy if you had not talked with me yesterday.”