uneven
Definitions
Not level, flat, or smooth; having an irregular surface.
Not uniform or consistent in quality, amount, or distribution.
Not equal or balanced; mismatched.
Examples
The hikers struggled to walk across the uneven terrain of the rocky mountain path.
Her performance was uneven, showing moments of brilliance followed by careless mistakes.
The table wobbled because one of its legs was slightly shorter than the others, making the surface uneven.