1. to apply oil, grease, or another substance to reduce friction between moving parts
2. to make something run or work more smoothly
Usage: figurative

Examples

• You should lubricate the bicycle chain regularly to keep it working properly.
• The mechanic lubricated all the moving parts of the engine.
• Don’t forget to lubricate the door hinges so they won’t squeak.
• A good sense of humor can lubricate social interactions.
• The oil helps lubricate the gears in the machine.
• Regular maintenance includes lubricating the bearings.
• Money seemed to lubricate the entire negotiation process.