Sell also: inconceivable, insufferable, unacceptable, unimaginable
• Noun: something that cannot be done; example: "his assignment verged on the impossible"
• Adj: not capable of occurring or being accomplished or dealt with; examples: "an impossible dream", "an impossible situation"
• Adj: totally unlikely
• Adj: used of persons or their behavior; examples: "impossible behavior", "insufferable insolence"
The impossible talked of is less impossible from the moment words are laid to it.
Living in dreams of yesterday, we find ourselves still dreaming of impossible future conquests.
Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth.