1. not able to exist or work together without problems or conflict
2. not able to be used together because of different technical specifications
Usage: technology

Examples

• Their work schedules were completely incompatible.
• The new software is incompatible with older operating systems.
• Oil and water are incompatible substances.
• His beliefs were incompatible with the company’s values.
• The printer cartridge is incompatible with this model.
• Their personalities proved to be incompatible.
• These two chemicals are incompatible and should not be mixed.