I. bi-ˈhīnd, bē- adverb or adjective
Etymology: Middle English behinde, from Old English behindan, from be- + hindan from behind; akin to Old English hinder behind — more at hind
Date: before 12th century
1.
a. : in the place or situation that is being or has been departed from
stay behind
b. : in, to, or toward the back
look behind
came from behind
c. : later in time
can spring be far behind
2.
a. : in a secondary or inferior position
b. : in arrears
behind in the rent
c. : slow
3. archaic : still to come
II. preposition
Date: before 12th century
1.
a. : in or to a place or situation in back of or to the rear of
look behind you
put behind bars
b. — used as a function word to indicate something that screens an observer
the sun went behind a cloud
c. : following in order
marched behind the band
2. — used as a function word to indicate backwardness, delay, or deficiency
behind the times
behind schedule
lagged behind last year's sales
3.
a. : in the background of
the conditions behind the strike
b. : out of the mind or consideration of
put our troubles behind us
c. : beyond in depth or time
the story behind the story
go back behind St. Augustine
4.
a. : in support of : on the side of
solidly behind the candidate
b. : with the support of
won 1-0 behind brilliant pitching
III. ˈbē-ˌhīnd; bi-ˈhīnd, bē- noun
Etymology: behind (I)
Date: circa 1830
: buttocks — often used as a euphemism for ass in idiomatic expressions
get your behind over here