Which is the antonym of 'content'?

• Dissatisfied is an antonym of 'content'.

Content:
English meaning: in a state of peaceful happiness or satisfaction.
Bangla meaning: সন্তুষ্ট, তৃপ্ত।
Example: After finishing a good book, she felt content and relaxed.

In addition,
Dissatisfied:
English meaning: not content or pleased with something.
Bangla meaning: অসন্তুষ্ট, অতৃপ্ত।
Example: The customer was dissatisfied with the quality of the product and requested a refund.

Complacent:
English meaning: showing smug or uncritical satisfaction with oneself or one's achievements.
Bangla meaning: আত্মসন্তুষ্ট, স্বপ্রশংসিত।
Example: Despite the warning signs, he remained complacent about the potential risks to his business.

Joyful:
English meaning: feeling, expressing, or causing great pleasure and happiness.
Bangla meaning: আনন্দময়, উল্লাসময়।
Example: The children's laughter filled the room, creating a joyful atmosphere during the holiday party.

Source: Cambridge Dictionary