No. The antonym for 'not clear' is clear. (Antonym means the opposite.)
An antonym for clear is blurry.
No. Doubt is the antonym of confidence.
is your face!
doubt
doubt
Unclear is an antonym of clear that rhymes.
Unquestionable or without doubt; contrast or antonym
distrust, doubt
disbelief
unconfidence, uncertainty, doubt
Doubt, confused, worried
The antonym of premonition is doubt.