incompatible
/ˌɪŋkəmˈpætɪbəl/adjective
Not able to exist, work, or be used together.
Example sentences
- “This charger is incompatible with older phone models.”
- “They broke up because their goals were incompatible.”
- “Her long work hours seemed incompatible with family life.”
Usually followed by 'with'. The opposite is 'compatible', and the noun is 'incompatibility'.