- undeveloped
She certainly isn’t backward in coming forward!
- not arriving until after an expected time
The seedlings appeared to be coming along nicely until a late frost killed them.
- behind in time
a slow train; a slow computer
- Late; especially, past a deadline or too late to fulfill a need
his library books were three days overdue; my car is overdue for an oil change; she finally left on a long overdue vacation
- arriving late
We should leave now - I don't want to be too behind time.
- not current
Go in the back door of the house.