| A common means of modern encryption is a one-way system in which encryption is easy but decryption is computationally impractical. |
| Early in the outbreak, vaccination had been considered but was not called on because it was deemed impractical. |
| The low population density in rural areas makes the provision of specialized mental health services in those areas impractical. |
| If theirs is a hopeless cause in pursuit of impractical ideals, why dignify them in print? |
| The Navy degaussed ships in port, but this was a time consuming method of demagnetizing that was impractical during wartime. |
| If so, I can assure you, as a practical aeronautical engineer, that such a trip is neither fantastic nor impractical. |
