Answer :
Final answer:
Antonyms are opposites of words and play a vital role in understanding language and conveying precise meanings.
Explanation:
Antonyms are words that have opposite meanings. In the given sentences, the antonyms would be:
- disappointed
- innocent
- lenient
Antonyms can be crucial in understanding language and choosing the right words.
Learn more about Antonyms and Language Understanding here:
https://brainly.com/question/39977651