Meaning of “everything” - Learner’s Dictionary

everything

pronoun uk us /ˈevriθɪŋ/

A2 all things or each thing:

They lost everything in the fire.
You can't blame Tom for everything that goes wrong.
What's the matter Nick, is everything all right?
everything else

all the other things:

The meat tasted strange, but everything else was okay.
be/mean everything

to be the most important part of someone's life:

His children mean everything to him.
Money isn't everything.

(Definition of “everything” from the Cambridge Learner’s Dictionary © Cambridge University Press)