*Undecided (5)
(Another definition for not sure that I've seen is " Don't know?".)
'undecided' is the definition.
(someone deliberating between two options is torn)
This is the entire clue.
(Other definitions for torn that I've seen before include "Lacerated - in two minds" , "?Curtain (Hitchcock thriller)" , "Removed forcibly" , "Rent, ripped" , "Undecided between two" .)
'undecided' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for in two minds that I've seen before include "where similar ideas may be foolish or clever" , "Wavering, undecided" , "like Dr Jekyll at times?" , "The outcome is uncertain" , "Torn" .)
'undecided' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for pending that I've seen before include "near" , "Outstanding" , "undecided" , "Awaiting action" , "Not yet seen to" .)
'undecided' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for fence that I've seen before include "Barrier; deal in stolen goods" , "may be 21 down [CLEARED]" , "crook" , "Beat about the bush" , "Handler of stolen goods" .)