Unlikely (8)
'unlikely' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for doubtful that I've seen before include "Open to question, uncertain" , "Dubious" , "Unsettled in mind or opinion" , "Uncertain, unlikely" , "like Thomas" .)
'unlikely' is the definition.
(I know that unlikely can be written as improbable)
This is the entire clue.
(Other definitions for improbable that I've seen before include "Far-fetched" , "Not likely" , "Highly unlikely" .)
'unlikely' is the definition.
(similar in meaning)
This is the entire clue.
(Another definition for farfetched that I've seen is " Forced - unconvincing".)
'unlikely' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for implausible that I've seen before include "Unlikely" , "Provoking disbelief" , "Not seeming probable" .)
'unlikely' is the definition.
(as in a tall tale)
This is all the clue.
(Other definitions for tall that I've seen before include "High in stature" , "Vertically large" , "Remarkable" , "Higher than the average person" , "Like giants" .)