"Doubtful" is a word in ENGLISH
Characterized by ambiguity; dubious; as, a doubtful
expression; a doubtful phrase.
Not settled in opinion; undetermined; wavering;
hesitating in belief; also used, metaphorically, of the body when its
action is affected by such a state of mind; as, we are doubtful of a
fact, or of the propriety of a measure.
Admitting of doubt; not obvious, clear, or certain;
questionable; not decided; not easy to be defined, classed, or named;
as, a doubtful case, hue, claim, title, species, and the like.
Fearful; apprehensive; suspicious.
Of uncertain issue or event.
I'm a strict, strict agnostic. It's very different from a casual, 'I don't know.' It's that you cannot present as knowledge something that is not knowledge. You can present it as faith, you can present it as belief, but you can't present it as fact.
WORD SUGGESTIONS
Of or pertaining to a sceptic or skepticism; characterized by skepticism; hesitating to admit the certainly of doctrines or principles; …
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