1) Behind in progress 2) Behind schedule 3) In debt 4) In debt or arrears 5) Late 6) Tardy 7) Unpunctual 1) Delayed 2) Late 3) Slow 4) Unpunctual 
• (adv. & a.) In arrears financially; in a state where expenditures have exceeded the receipt of funds. • (adv. & a.) 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...
Be·hind'hand` adverb & adjective [ Behind + hand .] 1. In arrears financially; in a state where expenditures have exceeded the receipt of funds. 2. In a state of backwardness, in respect to what is seasonable or appropriate, or as to what should have been accomplished; n...
[adj] - behind schedule
in arrears adverb 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` adjective behind schedule; `was behindhand with the rent`
late; tardy. · behind in progress; backward: They were never behindhand in following artistic fads. · in debt or arrears.