Former (3-4)
'former' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for one-time that I've seen before include "Former" , "Relating to a single occasion" .)
'former' is the definition.
(synonyms)
This is the entire clue.
(Another definition for onetime that I've seen is " Unrepeatable".)
'former' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for quondam that I've seen before include "Erstwhile" , "Former (Latin) - man quod (anag)" .)
'former' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for erstwhile that I've seen before include "Former, previous" , "Former - list where (anag)" , "In the past" , "Formerly" , "Quondam" .)
'former' is the definition.
(late can mean former or previous)
This is the entire clue.
(Other definitions for late that I've seen before include "after the sell-by date?" , "Far into the night" , "Passed on (but still not passed by!)" , "After the usual time" , "Far on in the day" .)
'former' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for past that I've seen before include "tense" , "historical times" , "A person's earlier life history" , "Days gone by" , "The time that has elapsed" .)
'former' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for older that I've seen before include "More elderly" , "Former" , "Less young" , "More ancient" , "More advanced in point of time" .)
'former' is the definition.
(both can mean at earlier time)
This is all the clue.
(Other definitions for prior that I've seen before include "Source of poetry in 17th century" , "Existing beforehand" , "Former - head of religious house" , "writer of epigrammatic verse" , "English poet" .)
'former' is the definition.
(synonyms)
This is all the clue.
(Other definitions for previous that I've seen before include "Foregoing" , "Earlier, occasion say" , "Overly hasty in acting or in drawing a conclusion" , "Over-prompt or over-hasty" , "Former, preceding" .)
'former' is the definition.
(both can mean previous)
This is the entire clue.
(Other definitions for old that I've seen before include "Ancient" , "Stale" , "SECOND PART OF 14" , "Venerable" , "Long-lived" .)
'former' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for bygone that I've seen before include "Past (e.g. age)" , "Former - well in the past" , "forgotten" , "Of departed days" , "Previous" .)