Former (3-4)

'former' is the definition.
(I know that former can be written as one-time)
This is all the clue.
(Other definitions for one-time that I've seen before include "Former" , "Relating to a single occasion" .)
'former' is the definition.
(I know that former can be written as onetime)
This is the entire clue.
(Another definition for onetime that I've seen is " Unrepeatable".)
'former' is the definition.
(I know that former can be written as quondam)
This is all the clue.
(Other definitions for quondam that I've seen before include "Erstwhile" , "Former (Latin) - man quod (anag)" .)
'former' is the definition.
(I know that former can be written as erstwhile)
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.
(I've seen this before)
This is the entire clue.
(Other definitions for older that I've seen before include "More senior" , "Former" , "More ancient" , "Of greater age (O, not E)" , "Increasingly mature" .)
'former' is the definition.
(both can mean at earlier time)
This is the entire clue.
(Other definitions for prior that I've seen before include "Pre-existing, religious head" , "Former - holy man" , "former conviction" , "deputy head in monastery" , "Former - head of religious house" .)
'former' is the definition.
(I know that former can be written as previous)
This is all the clue.
(Other definitions for previous that I've seen before include "Overhasty; existing earlier" , "Earlier, occasion say" , "Over-prompt or over-hasty" , "form" , "Overly hasty in acting or in drawing a conclusion" .)