Origin: Latin suffix -al
Unequal has 4 different meanings across 1 category:
One who is not an equal.
"The king dismissed the peasant as unequal, refusing to acknowledge him as his peer at court."
poorly balanced or matched in quantity or value or measure
"The referee called a foul because the players were clearly unequal on the field, leaving one side completely outnumbered."
lacking the requisite qualities or resources to meet a task
"inadequate training"
"the staff was inadequate"
"she was unequal to the task"
Not the same.
"The two halves of the pizza were unequal, leaving one slice much smaller than the other."