The Army had set what seemed like an impossible deadline of 49 days to supply a working prototype.

To add more pressure to an already impossible deadline the convoy can only travel through the city at night.

The citizens rushed from one bureau to another in a frenzied attempt to meet impossible deadlines.

You can't set impossible deadlines on a project like this.

Oh yes, and a xaxtdamned near impossible deadline of twelve Standard Weeks.

He ended the job quietly satisfied that he could still meet an impossible deadline with time to spare.

"We've got an impossible deadline, so we'll be putting in some serious overtime."

"Tell them you need advice on how to deal with a difficult colleague, or on how to meet an impossible deadline," she said.

The Board of Elections, for all its defects, must work under nearly impossible deadlines during the primary season.

Ship might hand him an impossible deadline at any moment.