Inferior means lower in quality, value, or importance compared to something else. When something is inferior, it's not as good as what you're comparing it to. A cheap plastic toy might be inferior to a well-made wooden one because it breaks easily and doesn't work as smoothly. An inferior copy of a famous painting lacks the skill and beauty of the original.

The word comes from Latin and literally means “lower,” which helps explain how we use it. In a hierarchy or ranking system, the inferior option sits below the superior one. A counterfeit dollar bill is inferior to a real one because it's worth nothing. A rushed essay full of errors is inferior to one you spent time revising and improving.

People also use inferior to describe abilities or positions. A less experienced chess player might feel inferior to a master, though with practice they could improve. In old military or business structures, someone of inferior rank had less authority than their superiors.

Be careful not to confuse inferior with different. Two things can be different without one being inferior. Classical music isn't inferior to rock music, and soccer isn't inferior to basketball. They're just different. Inferior only applies when you can genuinely measure one thing as lower quality than another by some reasonable standard.