1. serious mistakes, especially ones caused by lack of care or thought
Usage: plural of blunder

1. makes serious mistakes through carelessness or poor judgment
Usage: third person singular present tense of blunder

Examples

• The team’s defensive blunders cost them the championship game.
• His financial blunders left the company in serious debt.
• She blunders through every presentation despite careful preparation.
• The politician’s public blunders damaged his reputation.
• He always blunders when he’s nervous during interviews.
• These costly blunders could have been easily avoided.
• The new employee blunders frequently but learns from each mistake.