Definitions

1. verb

to make something slippery and able to move easily, or to put a substance into something to make it move more easily

“She needs to lubricate the squeaky door hinge to make it quiet again.”

2. verb

to make something more likely to happen or to make a difficult situation easier

“Lubricating the conversation helped them get along better.”

3. noun

the act of making something slippery and able to move easily

“The lubrication of the engine was essential for its proper functioning.”