not level or flat; rough; rugged

The wheels bumped and jolted over the uneven surface.

irregular; varying; not uniform

The book is uneven in quality.

not equitable or fair; one-sided

an uneven contest.

not equally balanced; not symmetrical or parallel.

(of a number) odd; not divisible into two equal integers

The numerals 3, 5, and 7 are uneven.

adjective

balanced , continuous , even , level , smooth

adjective

asperous , asymmetrical , broken , bumpy , changeable , craggy , differing , discrepant , disparate , disproportionate , fitful , fluctuating , harsh , ill-matched , intermittent , irregular , jagged , jerky , leftover , lopsided , nonsymmetrical , notched , not flat , not level , not parallel , odd , off-balance , one-sided , overbalanced , patchy , remaining , rough , rugged , scabrous , scraggy , serrate , spasmodic , spotty , unbalanced , unequal , unfair , unlevel , unsmooth , unsteady , unsymmetrical , variable , erratic , inconsistent , coarse , cragged , ironbound , ragged , angled , asperate , asymmetric , bent , crooked , erose , hummocky , humpy , inadequate , inequitable , protuberant , tilted , unjust , unproportionate , varying