: a substance (as grease) capable of reducing friction, heat, and wear when introduced as a film between solid surfaces
: something that lessens or prevents friction or difficulty <a social lubricant>
— lubricant adjective
Examples of LUBRICANT
- The car's axles need more lubricant.
- using humor as a social lubricant
First Known Use of LUBRICANT
Learn More About LUBRICANT
Seen & Heard
What made you want to look up lubricant? Please tell us where you read or heard it (including the quote, if possible).