adverb
in or toward the back
in the place that someone is going away from
later in time
in a losing position in a race or competition
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
preposition
in or to a place at the back of or to the rear of (someone or something)
losing to (someone or something) in a race or competition
in a less advanced position than (someone or something)
in the past for (someone or something)
out of the mind or thoughts of (someone)
providing the reason or explanation for (something)
responsible for (something)
in support of (someone or something)
with the support of (something)
behind bars
behind the times
noun
plural -hinds
[count] informal :the part of the body above the legs that is used for sitting :buttocks
US