an alternative that is not available
The condition or quality of being difficult:
The condition or fact of being insufficient or falling short:
Probability is defined as the likelihood of something occurring or the chance of something happening.
A practical, rather than theoretical, component or consideration
The quality of having no useful result; uselessness.
One that is capable of being chosen or of being made real:
Find another word for impossibility. In this page you can discover 18 synonyms, antonyms, idiomatic expressions, and related words for impossibility, like: impracticality, feasibility, impossible action, hopelessness, unreasonableness, contrariety, unfeasibility, impracticability, difficulty, unlikelihood and failure.