behind
//bɪˈhaɪnd//
Preposition
At or to the back or far side of something or someone
The cat is hiding behind the sofa.
In a position further back than someone or something else
The car behind us was driving too close.
Less advanced than someone or something in progress or development
Our country is behind other nations in technology.
Remaining after someone or something has departed or passed
She left her worries behind when she went on vacation.
Responsible for or the cause of something
Who is behind this plan?
In support of or backing someone or something
The whole team is behind you.
Antonym
Synonym
Adverb
In or to a position at the back or rear
The children walked in front and the parents followed behind.
In a position further back or in the past
I stayed behind after class to talk to the teacher.
Late in paying or fulfilling an obligation
I'm behind on my rent this month.
Noun
A person's buttocks
He fell and landed on his behind.