Become void (6)
'become void' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for expire that I've seen before include "Die or lapse" , "Perish" , "Breathe out - die" , "Expel air or die" , "Come to an end; die" .)
'become void' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for lapse that I've seen before include "Temporary failure of judgment or concentration" , "moral shortcoming" , "Moral fall" , "Untypical mistake" , "Temporary drop in standard" .)