(1) Electromagnetic propulsion could take us to the heliopause at a speed unachievable by conventional spacecraft.

(2) The objective of the indiscriminate, retaliatory attack on Afghanistan will be most likely unachievable .

(3) Obviously the only reason for the charge is to generate more tax revenue based on unachievable promises.

(4) Complete elimination of performance-enhancing drugs from any sport is an unachievable ideal.

(5) Achieving a bipartisan consensus on pensions is not an unachievable chimera.

(6) The key to success will hence be your will to achieve the unachievable .

(7) We have made loads of attempts to engage with management in the past few weeks over the unachievable targets they have set our members.

(8) Its twisted character does not make the mission unachievable .

(9) The athletes competing in the 2004 Olympics have trained to a level unachievable for most people.

(10) In a general sense, a third bank is a place unachievable by the living.