Dictionary definition · behind
noun
- the fleshy part of the human body that you sit on"he deserves a good kick in the butt"
adjective
- having the lower score or lagging position in a contest"behind by two points"
adverb
- in or to or toward the rear"he followed behind"
- remaining in a place or condition that has been left or departed from"when he died he left much unfinished work behind"
- showing a time that is earlier than the actual time"the clock is almost an hour slow"
- in or into an inferior position"fell behind in his studies"
- in debt"he fell behind with his mortgage payments"
Source: Open English WordNet (CC BY 4.0).