How to Use "unfeasible" with Example Sentences

1. Wait wait wait . What 's unfeasible ?
2. The government 's action made the project unfeasible in rio tinto 's view because the reduced output wouldn 't support the investment needed .
3. Others , however , call the project unfeasible and urge the government to focus instead on limiting consumption and recycling waste water rather than investing billions of dollars in a project that would probably take decades to build .