Explanation: Antonyms are words that are opposite in meaning, while synonyms are words that are very similar in meaning.<u> "Introvert" and "extrovert" are antonyms because they denote contrasting meanings</u>. While <u>"introvert"</u> is a word used<u> to describe someone as a shy person, "extrovert"</u> is used<u> to describe someone as a sociable and outgoing person</u>. In that way, as "introvert" and "extrovert" are opposite in meaning, they are considered to be antonyms.