· a thick fatty oil (especially one used to lubricate machinery)
Synonym(s): lubricating_oil
Hypernym(s): oil
· the state of being covered with unclean things
Synonym(s): dirt, filth, grime, soil, stain, grunge
Hypernym(s): dirtiness, uncleanness
· lubricate with grease; "grease the wheels"
Hypernym(s): cover