uneven
Concise Oxford English Dictionary © 2008 Oxford University Press:
uneven/ʌnˈiːvn/
▶adjective
- 1 not level or smooth.
- 2 not regular, consistent, or equal.
■ (of a contest) not equally balanced.
– derivatives
unevenly adverb,
unevenness noun.
unevenly adverb,
unevenness noun.
'uneven' also found in these Oxford entries:

