preposition

 

back at or to the back of someone or something

Close the door behind you.

 

less successful slower or less successful than someone or something

Our team is 3 points behind the winners.

 

causing causing something, or responsible for something

What was the reason behind her decision to leave?

 

supporting giving your help or support to someone

The group is 100 percent behind her.

 

not affecting If a bad experience or your own bad behaviour is behind you, it does not exist or affect your life now.

He's put his criminal past behind him.

 

adverb

 

back at or to the back of someone or something

 

slower slower or later than someone else, or than you should be

She's behind with the rent (= is late to pay it).

 

place in the place where someone or something was before

You go on ahead. I'll stay behind and tidy up.

 

noun

 

the part of your body that you sit on