delay

late, overdue / backward, unsophisticated

to fall behind schedule, to run late, to drop behind, to lag behind; to be delayed

(informal) to be running late / (informal, figuratively) to be slow to catch on, to lag behind

(informal, figuratively) to be slow to catch on, to lag behind

third-person singular past historic of retarder

third-person plural imperfect indicative of retarder

third-person singular imperfect indicative of retarder

first-person singular past historic of retarder

first/second-person singular imperfect indicative of retarder