Uneven a. : Not even; not level; not uniform; rough; as, an uneven road or way; uneven ground.

Uneven a. : Not equal; not of equal length.

Uneven a. : Not divisible by two without a remainder; odd; -- said of numbers; as, 3, 7, and 11 are uneven numbers.

Example:
Can an Uneven surface ruin your cars tires or lower the psi?

Taxonomy
Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, Custom Search, glossary, english, language, ESL, Search, adjective, 12th century, 1a, teeth, handwriting, parallel c, uniform.

Defination from the web:
uneven from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... b : varying from the straight or parallel c : not uniform : irregular <uneven combustion> d : varying in quality <an uneven performance> ...