Uncertain (10)
There are a few possibilities for this:
'uncertain' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for in doubt that I've seen before include "Undecided" , "Uncertain" , "Not sure" , "Open to question" , "Unresolved" .)
'uncertain' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Another definition for not sure that I've seen is " Don't know?".)
'uncertain' is the definition.
(I know that uncertain can be written as unsure)
This is all the clue.
(Other definitions for unsure that I've seen before include "Not certain, somewhat confused" , "Far from certain" , "Not certain, undecided" , "regarded as somewhat precarious" , "Not certain, dubious" .)
'uncertain' is the definition.
(both can mean dubious)
This is the entire clue.
(Other definitions for iffy that I've seen before include "Questionable - uncertain" , "Dubious (colloq.)" , "Not to be trusted" , "Uncertain (colloq.)" , "Colloquially uncertain or doubtful" .)
'uncertain' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for hazy that I've seen before include "Obscured" , "Affected by mist - indistinct" , "Not clear" , "Blurred" , "Vague, ill-defined" .)
'uncertain' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for precarious that I've seen before include "having difficulty remaining upright" , "Highly insecure" , "Uncertain; likely to fall" , "Not having a steady position" , "Hairy" .)
'uncertain' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for irresolute that I've seen before include "Hesitating" , "lacking clear purpose" , "Hesitant, uncertain" , "Indecisive" .)
'uncertain' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for unresolved that I've seen before include "up in the air" , "Not finally settled" , "(to be continued)" .)
'uncertain' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for vague that I've seen before include "Unclear" , "Ill-defined" , "Hazy" , "Indistinct or not clearly expressed" , "Rough" .)
'uncertain' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for dicey that I've seen before include "Fraught with risk" , "Chancy" , "Unpredictable, potentially dangerous" , "'Risky, uncertain (5)'" .)
'uncertain' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for dubious that I've seen before include "Ambiguous or suspect" , "Doubtful, uncertain" , "Arousing suspicion" , "Morally suspect" , "Sceptical, doubtful" .)
'uncertain' is the definition.
(I've seen this in another clue)
This is the entire clue.
'uncertain' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for up in the air that I've seen before include "Unresolved" , "open to debate" , "Not yet settled" , "skylarks singing here?" , "undecided" .)