Which of the following is INCORRECTLY spelled.

The word heriditary is incorrectly spelled. The correct spelling is hereditary.

Here are the words and their correct spellings:

• Arrogant means having or showing an exaggerated sense of one's own importance or abilities.
• Barrier means a thing that prevents or obstructs passage.
• Lofty means high in position, rank, or quality.
• Hereditary means passed down from parents to their children.