The difference between the following phrasal verbs "lay off" and "kick back"

The idioms have different meanings. Both of them have meanings that are similar to relax, yes. I would have to see a specific sentence before I said that either was appropriately synonymous, however.

Ok, there are two examples:

I don't feel like going anywhere tonight. Let's just kick back and take it easy.

The doctor said that Jim ought to lay off more.

From these examples we can see "lay off" has the meaning "staying in bed", but kick back has meaning "just relax". And the question "lay off" has always a meaning "staying in bed"?

I've never heard "lay off" used to mean "relax" or "stay in bed." (Possibly that use is British?) In my experience it means to stop doing something or avoid something you previously indulged in. "His doctor warned him to lay off (stop using) the alcohol and cigarettes." You can also use "lay off!" without a direct object to mean "Quit it! Stop what you're doing!" If you repeatedly nag someo

Thanks a lot, Khoff. Now I'll use these verbs in an appropriate way:)