Correct Answer: Insensitive

Solution : The correct choice is the third option .

Insensitive refers to a lack of sensitivity or awareness towards the feelings, emotions, or needs of others, which is synonymous with "callous".

The meanings of the other options are as follows:

• Inordinate refers to something that is excessive, immoderate, or beyond normal limits.
• Compassionate means a person who feels and shows empathy, kindness, and understanding towards others, especially those who are suffering or in distress.
• Unshackle means to release or free someone or something from restraints, constraints, or limitations.