May 9, 2026 · The meaning of LUBRICATE is to make smooth or slippery. How to use lubricate in a sentence.

LUBRICATE definition: 1. to use a substance such as oil to make a machine or device operate more easily, or to prevent…. Learn more.

LUBRICATE definition: to apply some oily or greasy substance to (a machine, parts of a mechanism, etc.) in order to diminish friction; oil or grease (something). See examples of lubricate used in a …

lubricate (ˈluːbrɪˌkeɪt) vb 1. (tr) to cover or treat with an oily or greasy substance so as to lessen friction 2. (tr) to make greasy, slippery, or smooth

Definition of lubricate verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

When you lubricate something, you make it a little bit greasy so it can easily move or slide. You might need to lubricate a rusted bolt in order to unscrew it, for example.

If you lubricate something such as a part of a machine, you put a substance such as oil on it so that it moves smoothly.

In addition to industrial applications, lubricants are used for many other purposes.

The comprehensive definition of lubricate. Includes pronunciation, synonyms, etymology, and usage examples to help you master this word.

Lubrication is the process or technique of using a lubricant to reduce friction and wear and tear in contact between two surfaces. The study of lubrication is a discipline in the field of tribology.