inequality

noun4

1. •
   Absence of equality.
2. •
   A condition or state (of social, cultural, or legal matters) that is not equal; especially, such a condition that is thereby also unfair.

   • The inequality in living standards led to a civil war as the have-nots rebelled.
3. •
   A statement that of two quantities one is specifically less than (or greater than) another. Symbol: < or ≤ or > or ≥ or ne , as appropriate.

   • The inequality x is less than y, together with that ylt;z, allows us to deduce the inequality xlt;z.
4. •
   Unevenness, irregularity.

   • When we behold a wide, turf-covered expanse, we should remember that its smoothness, upon which so much of its beauty depends, is mainly due to all the inequalities having been levelled by worms. — 1881