Answer: fatfree

AnswerCrossword Clue
FATFREEDIET FOOD CLAIM?
FATFREEWords of appeal to a loser?
FATFREEPerfect for Jack Sprat
FATFREEDescribing skimmed milk.
FATFREESuitable for Sprat
FATFREEDieter's watchword
FATFREEAttractive to a loser?