Correct Answer: Miserable

Solution : The third option is the correct answer.

"Blissful" describes a state of extreme happiness, joy, or contentment, suggesting a feeling of utter satisfaction and well-being. Conversely, "miserable" is the opposite, describing a state of extreme unhappiness, suffering, or discomfort, implying a lack of joy or contentment.

The meanings of other options are as follows:

• Idealised means represented or perceived as perfect or without flaws.
• Malicious refers to intending to do harm or cause injury to others.
• Heavenly describes something divine, perfect, or extraordinarily beautiful.

Therefore, the correct answer is miserable .