Later it became clear that some of these figures had been seriously underestimated.

Many researchers, however, feel those numbers seriously underestimate the real count.

The survey also found that parents seriously underestimate the health risks to their children.

The construction company seriously underestimated the difficulty of the job.

The study's authors said official reports seriously underestimated the problem.

American experts have insisted that Israel seriously underestimated the cost.

Most people seriously underestimate how many calories they've eaten - often by 25% or more.

What is important is that I have seriously underestimated you.

I seriously underestimated their potential at first and actually ordered my fleet to avoid contact with them.

"And if you don't think I could have kept her from testifying, you're seriously underestimating my influence."