Answer: besmear

AnswerCrossword Clue
BESMEARTarnish
BESMEARSully
BESMEARSoil
BESMEARSoil.
BESMEARDaub.
BESMEARTarnish or stain
besmearto smear all over; bedaub
besmearto bedaub (to besmear)
besmearto sully; defile; soil