Learner's definition of NATURE
1 a : the physical world and everything in it (such as plants, animals, mountains, oceans, stars, etc.) that is not made by people
b : the natural forces that control what happens in the world
the beauty of nature
She is a real nature lover. = She really loves nature. [=she loves to spend time outdoors]
He devoted himself to the study of nature.
That is a color not found in nature.
2 : the way that a person or animal behaves : the character or personality of a person or animal
She has a competitive nature. [=she is competitive]
The difference in their natures was easy to see.
an animal with a gentle nature [=a gentle animal]
3 : a basic quality that something has
[count] — usually singular — often + of
the nature of steel
What is the true nature of democracy?
Because of the fragile nature of the manuscripts [=because the manuscripts are fragile], the museum keeps them behind glass.
4 [singular] : a particular kind of thing
What is the nature of your problem? [=what kind of problem do you have?]
papers of a confidential nature [=papers that are confidential]
His medical condition is not of a serious nature. [=is not serious]
You'll need to bring a toothbrush, soap, and things of that nature. [=other similar things]
get/go back to naturealsoreturn to nature
: to spend time living in a simple way without modern machines, electricity, etc.
let nature take its course
: to allow something to happen without trying to control it