That can be supported by argument
Of or involving dispute; controversial
Being such that formal argument or discussion is possible.
The definition of doubtful is suspicious, unclear or unsure.
Always ready to argue; quarrelsome
Suspected with good reason of being immoral, dishonest, unsound, etc.
With no exception or qualification; unexceptionable
Not worthy of consideration or discussion because it has been resolved or it no longer needs to be resolved
The definition of dubious is something that is unlikely to be true.
Subject to doubt or question; uncertain.
Open to or viewed with suspicion:
Tending to provoke or stimulate.
Not surely or certainly known; questionable; problematic
Inclined to dispute; fond of arguing; contentious
Of or provoking controversy or given to sophistical argument and specious reasoning
Not involving violence or employing force:
Pleasing, either to the mind or senses; pleasant; grateful.
Not disputed or doubted:
Not doubted, called in question, or disputed; certain
Stating facts and suggesting that particular inferences and conclusions can be drawn from them.
Find another word for controversial. In this page you can discover 40 synonyms, antonyms, idiomatic expressions, and related words for controversial, like: contestable, arguable, open to doubt, subject to controversy, uncontroversial, polemic, open to discussion, debatable, open to debate, doubtful and in-question.