Verb (1-dan, intransitive)
1.  to be late;  to be delayed;  to fall behind schedule;  to be overdue
usu. 遅れる
2.  to fall behind (in a race, one's studies, etc.);  to lag behind;  to be behind (the times)
oft. 後れる
3.  to be bereaved of;  to be preceded by (someone) in death
oft. 後れる
4.  to be slow (of a clock or watch)