uneven
adjective
uk/ʌnˈiːvən/ usnot following a regular or steady pattern, or not the same in every part:
The regional impact of the fall in house prices is uneven, with modest declines predicted in the south-east, while values are set to fall much more sharply in the south-west.
Politicians should be trying to tackle issues of economic fairness, such as the uneven distribution of benefits in the global financial system.
uneven progress/recovery/expansion
an uneven playing field
a situation that is unfair because not everyone has the same chance of succeeding:
Union officials are worried that negotiating separate deals with each site will create an uneven playing field.
unevenness
noun [ U ] /ʌnˈIːvənnəs/
The unevenness in licensing standards shows the value of having the state interpret a single set of regulations.