As nouns the difference between visionary and visionariness
is that visionary
is someone who has visions; a seer while visionariness
is the state or condition of being visionary.
As an adjective visionary
is having vision or foresight.
As nouns the difference between visionariness and unreality
is that visionariness
is the state or condition of being visionary while unreality
is lack of reality or real existence.