get behind

get behind  {v.}
1. To go too slowly: be late; do something too slowly.
The post office got behind in delivering Christmas mail.
Syn.: FALL BEHIND. Contrast: KEEP UP.
2.  {informal} To support; help.
* /A club is much better if members get behind their leaders.
We got behind Mary to be class president.
Compare: BACK OF (3).
3.  {informal} To explain; find out the reason for.
The police are questioning many people to try and get behind the bank robbery.
Categories: {informal} {v.}