Answer:

athwart

AnswerCrossword Clue
ATHWARTOpposing
ATHWARTIn opposition to
ATHWARTFrom side to side
ATHWARTTransversely
ATHWARTCrosswise
ATHWARTCrosswise.
ATHWARTAcross
ATHWARTCrossways
ATHWARTObliquely
ATHWARTContrary to