Guesswork

I used guesswork for all my answers on this test and they were all correct.

Tom's translations are more guesswork than translation.

He navigates through guesswork.

Fighting the flu usually consists of using predictive research to create a vaccine that fights the strains of the disease most likely to show up. But scientists around the world are closing in on a universal vaccine that takes the guesswork out of the fight.

By a careful study of the figure we might suspect that when the rectangle becomes a square its area would be the greatest, but this would at best be mere guesswork. A better way would evidently be to plot the graph of the function (1) and note its behavior.