disastrously wrong

Examples (10)

• The initial weather forecast proved to be disastrously wrong, leading to a city-wide crisis.
• His assumption that the company was stable was disastrously wrong.
• The expert's prediction about the stock market turned out to be disastrously wrong.
• Their military strategy, based on outdated intelligence, was disastrously wrong.
• The calculations for the bridge's load capacity were disastrously wrong.
• We realized too late that our entire approach to the problem was disastrously wrong.
• My first impression of him was disastrously wrong; he wasn't kind at all.
• The political poll was disastrously wrong, predicting a landslide victory for the losing candidate.
• Early scientific theories about the nature of atoms were often disastrously wrong.
• Believing you can succeed without any effort is a disastrously wrong mindset.