The word "unfeasibilities" refers to things that are impossible or impractical to accomplish. Antonyms for this term include "feasibilities," "possibilities," "practicalities," and "viabilities." These words denote the opposite of unfeasibilities and suggest that a particular action or task is achievable, viable, or practical. For instance, if someone were to say that proposing a new project is unfeasible, the antonym would be a "feasible project," indicating that the idea is realistic and attainable. Similarly, the opposite of "unfeasible" to describe a plan, goal, or objective would be "achievable," "realistic," or "attainable." These antonyms help clarify the meaning of the term unfeasibilities by illustrating what can be accomplished instead of what cannot.