unrealistic (adjective) unrealistic: not believable or practical
Sinonime: blue sky,
floating,
gone*, half-baked,
impossible, impracticable,
impractical,
improbable, ivory-tower, nonrealistic,
nonsensical, not applicable, not sensible, on cloud nine,
quixotic, reachy,
romantic,
silly, starry-eyed,
theoretical,
unreal, unworkable
Antonime: believable,
practical,
pragmatic,
realistic,
reasonable,
sensible