Tarried (7)
(Other definitions for delayed that I've seen before include "Caused to be held up" , "Made late" , "Deferred, postponed" , "Detained, help up" , "Put back" .)
'tarried' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for waited that I've seen before include "Held back" , "Remained in readiness" , "Stayed in one place, anticipating something" , "Lingered; attended" , "Served at table or postponed some action" .)