inconsistent

Definitions

Not staying the same throughout in quality, performance, or behavior.

Containing elements that contradict one another; not in harmony.

Not compatible with another fact or claim.

Examples

The witness provided an inconsistent account of the events that occurred that night.

His performance has been inconsistent throughout the season, alternating between brilliant plays and costly errors.

The company's new policy is inconsistent with its stated mission of environmental sustainability.

Synonyms

erratic fickle variable unpredictable fluctuating contradictory changeable

Antonyms

consistent steady reliable constant uniform stable dependable