Behind (Adverb)
Meaning 1
In or to or toward the rear; "he followed behind"; "seen from behind, the house is more imposing than it is from the front"; "the final runners were far behind".
Meaning 3
Remaining in a place or condition that has been left or departed from; "when he died he left much unfinished work behind"; "left a large family behind"; "the children left their books behind"; "he took off with a squeal of tires and left the other cars far behind".
Meaning 4
In debt; "he fell behind with his mortgage payments"; "a month behind in the rent"; "a company that has been run behindhand for years"; "in arrears with their utility bills".
Synonyms
Meaning 5
In or into an inferior position; "fell behind in his studies"; "their business was lagging behind in the competition for customers".