Correct Answer: cheerful

Solution : The correct choice is the fourth option .

Dejected describes a state of being sad, disheartened, or in low spirits. The antonym cheerful implies a positive and happy disposition, making it the opposite of feeling dejected.

The meanings of the other options are as follows:

• Moody is someone who gives in to frequent changes in mood, often displaying different emotions unpredictably or showing a gloomy, sullen disposition.
• Doleful means to express sorrow or melancholy.
• Morose means sullen, gloomy, or ill-tempered, typically in a persistent or habitual way.