Synonyms for Unrealizable:

adj.

impossible (adjective)
unthinkable, unachievable, unworkable, impractical, impracticable, out of the question, unattainable.
inaccessible (adjective)
unattainable, unachievable.

n.

unrealizable (noun)
unachievable, unattainable, undoable, impossible.

Other synonyms:

unworkable. impractical, impracticable. unthinkable. Other relevant words:
out of the question, impracticable, unthinkable, impractical, unworkable.

Usage examples for unrealizable

  1. In Faber Street the light of the electric arcs tinged the snow with blue, and the flamboyant advertisements of breakfast foods, cigarettes and ales seemed but the mockery of an activity now unrealizable – The Dwelling Place of Light, Complete by Winston Churchill Last Updated: March 5, 2009
  2. This consideration brings me directly to confront the enemy, that is to say, those who contend that a world- state or any real international government is now and must always remain an impossibility, an unrealizable Utopian dream. – The Unity of Civilization by Various