Is “Miffing” a Scrabble word?
Yes
MIFFING
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 Miffing
verb
1.(usually used in the passive) To offend slightly.
2.To become slightly offended.