Stop from squeaking (6)
I believe the answer is:
grease
(Other definitions for grease that I've seen before include "'Thick, fatty oil (6)'" , "Possible cause of slip-up" , "Musical - lubricant" , "Musical animal fat?" , "Oily lubricant" .)
I believe the answer is:
grease
(Other definitions for grease that I've seen before include "'Thick, fatty oil (6)'" , "Possible cause of slip-up" , "Musical - lubricant" , "Musical animal fat?" , "Oily lubricant" .)