Is “Defense” a Scrabble word?
Yes
DEFENSE
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 Defense
/dɪˈfɛns/
noun
1.The action of defending or protecting from attack, danger, or injury.
2.Anything employed to oppose attack(s).
3.An argument in support or justification of something.