Answer: curdle

AnswerCrossword Clue
CURDLEGet lumpy
CURDLETurn bad, as milk
CURDLESpoil
CURDLETurn sour
CURDLECongeal or thicken.
CURDLECoagulate.
CURDLECoagulate
CURDLECongeal
CURDLETurn
CURDLESour
CURDLEBecome lumpy
CURDLETurn, in a way
curdleto congeal (to change from a fluid to a solid)
curdleto fill a person with horror or fear; terrify
curdleto change into curds; congeal