Answer:

baseless

AnswerCrossword Clue
BASELESSUtterly unfounded
BASELESSLacking foundation
BASELESSFalse.
BASELESSUnsubstantiated
BASELESSWithout grounds
BASELESSUnsupported
BASELESSCompletely untrue
BASELESSWithout foundation
BASELESSWhat the G.I. didn't want to be?
BASELESSUnfounded
BASELESSLike wild accusations