behind

1 behind /bɪˈhaɪnd/ adverb
1 behind
/bɪˈhaɪnd/
adverb
Britannica Dictionary definition of BEHIND
1 
a  : in or toward the back
b  : in the place that someone is going away from
— often used figuratively
c  : later in time
2 
: in a losing position in a race or competition
3 
a  — used to describe something that is not happening or proceeding as quickly as it should
b  — used to describe someone who is not doing something (such as paying a debt) as quickly as required or expected
2 behind /bɪˈhaɪnd/ preposition
2 behind
/bɪˈhaɪnd/
preposition
Britannica Dictionary definition of BEHIND
1 
: in or to a place at the back of or to the rear of (someone or something)
— see also behind the eight ball at eight ball
2 
: losing to (someone or something) in a race or competition
3 
: in a less advanced position than (someone or something)
: not happening or proceeding as quickly as (someone or something)
4 
a  : in the past for (someone or something)
b  : out of the mind or thoughts of (someone)
5 
a  : providing the reason or explanation for (something)
b  : responsible for (something)
6 
a  : in support of (someone or something)
b  : with the support of (something)

behind bars

— see 1bar

behind the times

— see 1time
3 behind /bɪˈhaɪnd/ noun
plural behinds
3 behind
/bɪˈhaɪnd/
noun
plural behinds
Britannica Dictionary definition of BEHIND
[count] informal
: the part of the body above the legs that is used for sitting : buttocks