grave mistake

Examples (10)

• Ignoring the early warnings proved to be a grave mistake.
• Making such a grave mistake could jeopardize the entire project.
• The politician admitted that supporting the bill was a grave mistake.
• It would be a grave mistake to underestimate the opponent's capabilities.
• We cannot afford to repeat the grave mistake of the past.
• The company's decision to cut corners was a grave mistake that led to financial losses.
• She realized her grave mistake only after it was too late to rectify.
• To dismiss their concerns now would be a grave mistake.
• Leaving the back door unlocked was a grave mistake given the recent burglaries.
• Historians often point to that treaty as a grave mistake in foreign policy.