Lubricate is a term used to describe the process of applying a substance to reduce friction between two surfaces. The crossword solutions for this term are ANOINT (6 letters), SMOOTH (6 letters), OIL (3 letters), GREASE (6 letters), and Oilup (5 letters). ANOINT is the act of applying OIL or ointment to a person or object as part of a religious ceremony. SMOOTH is the act of making something even and free from lumps or bumps. OIL is a slippery liquid that is used to reduce friction between two surfaces. GREASE is a thick, oily substance that is used to lubricate moving parts. Oilup is the act of applying OIL to a surface to reduce friction.