Words similar to impossible

Example sentences for: impossible

How can you use “impossible” in a sentence? Here are some example sentences to help you improve your vocabulary:

Alongside these four most common elements--probably 99 per cent of all atoms in organic molecules are either carbon, oxygen, hydrogen, or nitrogen--we should consider some of the elements without which our standard of living would be impossible: the base and precious metals.
ActiveX is a very hot topic in the industry now, with lots of money riding on it, it's impossible not to wonder whether Microsoft's influence on Slate had something to do with this unfairness.
But Palestinian leader Yasser Arafat told U.S. officials that negotiation was impossible as long as the construction continued.
It was impossible not to remain humble in these circumstances.
Balloons are a uniquely terrible mode of transportation: They are impossible to steer, slow, and dangerous.