In arrears financially; in a state where expenditures have exceeded the receipt of funds.

behind schedule; "was behindhand with the rent"

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"

In a state of backwardness, in respect to what is seasonable or appropriate, or as to what should have been accomplished; not equally forward with some other person or thing; dilatory; backward; late; tardy; as, behindhand in studies or in work.