1. Not even or uniform as e.g. in shape or texture
   "an uneven colour"; "uneven ground"; "uneven margins"; "wood with an uneven grain" 
2. (of a contest or contestants) not fairly matched as opponents
   "vaudeville...waged an uneven battle against the church"
   - mismatched 
3. Not divisible by two
   - odd 
4. Variable and recurring at irregular intervals
   "an uneven gait"; "uneven spacing" 
5. Lacking consistency
   - spotty, scratchy

See also: crinkled, crinkly, cross-grained, curly-grained, evenness, inconsistent, invariability, irregular, jagged, jaggy, lumpy, one-sided, out of true, patchy, pebble-grained, ragged, raggedy [N. Amer], rippled, rough, scraggy, unequal, unevenly, unevenness, unparallel, unsmooth, unsteady, untrue, wavelike, wavy, wavy-grained

Antonym: even

• Tartary
• tartlet
• tartly
• tartness
• tartrate
• tartrazine
• Tartu
• Tartufe
• Tartuffe
• Tartuffery
• tarweed
• tarwood
• Tarzan
• Tarzan of the Apes
• taser
• tash
• Tashkent
• Tashmit
• Tashmitum
• Tashunca-Uitco
• task
• task force
• taskbar
• Taskent
• taskmaster