Synonyms for impossible

• (adj) hopeless (similar term), impracticable (similar term), infeasible (similar term), unfeasible (similar term), unworkable (similar term), out (similar term), unachievable (similar term), unattainable (similar term), undoable (similar term), unrealizable (similar term), hopeless (related term), impractical (related term), insurmountable (related term), unsurmountable (related term), unrealistic (related term), unthinkable (related term), possible (antonym)
  
  
• (adj) inconceivable, out of the question, unimaginable, unthinkable (similar term)
  
  
• (adj) insufferable, unacceptable, unsufferable, intolerable (similar term), unbearable (similar term), unendurable (similar term)
  
  
• (noun) impossibility, impossible action
  
  

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