1. be in arrears (в чем-либо) 2. fall behind 3. drag 4. drop behind 5. hang back 6. hang behind 7. lag 8. loiter 9. lose (о часах) 10. lose ground 11. retard 12. stand behind 13. straggle 14. tail away 15. fall astern 16. come back
Phrases with отстать
безнадежно отстать be nowhere, come in nowhere; have had it