obstructed (adj.)

• back
• backward
• behindhand
• belated
• blocked
• bound
• choked
• clogged
• congested
• constipated
• costive
• delayed
• foul
• fouled
• full
• jammed
• late
• latish
• overdue
• packed
• plugged
• retarded
• slow
• stopped
• stuffed
• tardy
• unpunctual
• unready
• untimely