What is Life? Real Definition of Life

1
##[Uncountable] : The ability to grow, change, etc., that separates plants and animals from things like water or rocks.
** He believes that God gives life to all creatures.
** The miracle of life.
** Eternal/everlasting life.

2
##Part (a) : The period of time when a person is alive
[Uncountable]
** She knew what she wanted to do early in life.
** He became famous relatively late in life.
** He became famous later in life.
[Count]
She was happy and healthy for most of her life.
The people in her family tend to have long/short lives.
I've known her all my life.

More examples
##Part (b) : The experience of being alive
[Uncountable]
** What do you really want out of life?
** He believes in living life to the fullest.
** All this paperwork has made life much more difficult.

More examples
[Count]
** What do you really want to do with your life?
** Her children say that she has ruined their lives.
** She talked about the men in her life.

More examples:
** Often used before another noun.
** She told us her life story.
** A lack of life experience.
◊ If your life flashes/passes before your eyes or if your life flashes/passes before you, many memories from different parts of your life quickly appear in your mind one after the other.
Her life flashed before her eyes when her car was about to crash.

3
[count]
##Part (a) : A specified part of a person's life.
** He talked about his life as an artist.
** The social lives of college students
** How's your love/sex life?

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Part (b): a specified way or manner of living.
** He lived/led a life of crime.
** They have lived/led sheltered lives.
** He is trying to make a better life for himself and his family.
◊ Your way of life is how you live your life.
a fisherman's way of life
Most people don't approve of my way of life.
a traditional way of life
4
##[Count] : The state or condition of being alive
** They spared the horse's life.
** She feels that her life is in danger. = She fears for her life. = She is in fear for her life.
** She risked her life
5 [Uncountable] : Living things of a specified kind or in a specified place.
There may be a great deal of animal/plant life still to be discovered in this region:
Forest life
Ocean life others.
Will we ever find intelligent life on other planets?