Or it could have been sheer desperation, fear that if he didn't act now, things might never get any better.

It was only sheer desperation that made her even try.

In sheer desperation, he slipped the word to some one.

Finally January, in sheer desperation, was forced to give ground.

Now in sheer desperation, her eyes moved to the only other men on the pier.

It joined in the general strike out of sheer desperation.

When wild animals fight us, it is out of sheer desperation.

"The murderer might have performed his crime through sheer desperation."

At last, sheer desperation started him on his trip.

Yeah this is clearly an act of sheer desperation.