Long-faced is an adjective used for describing a person who appears sad, discouraged or unhappy. Some of the antonyms of the word include cheerful, joyful, ecstatic, pleased, and happy. Other antonyms might include content, satisfied, fulfilled or glad. These words signify the opposite of appearing long-faced or miserable. A person who is delighted or exhilarated usually shows positive emotions on their face, unlike someone who has a long face, appears disappointed or discouraged. Antonyms create a contrast and help people to understand the nuances of language. Choosing the right word is essential when trying to convey a message, and antonyms play a vital role in this process.