1. A trick, trap, or unexpected problem that catches someone off guard.
Usage: informal; plural of gotcha; commonly used in software development and problem-solving contexts
2. A surprising or hidden difficulty or condition that is revealed only after initial agreement or purchase.
Usage: informal; often used in business and consumer contexts

Examples

• The software has several gotchas that new users need to be aware of.
• Read the contract carefully—there are always gotchas in the fine print.
• The job offer seemed great until we discovered the gotchas in the benefits package.
• Programming in this language has some gotchas that can trip up beginners.
• The deal looked perfect, but there were hidden gotchas we didn't expect.
• Our team documented all the gotchas we found during testing.