One-Word Substitute for 'Cannot Be Satisfied'

The question asks for a single word that means the same as the phrase "That which cannot be satisfied". This is a common type of vocabulary question found in English tests and exams.

Understanding the Phrase

The core idea is something or someone that has desires or needs that are impossible to fulfill or quench, no matter how much one tries.

Analyzing the Options

Let's look at each option provided:

• Stubborn: This word describes someone who is unwilling to change their mind or actions, even when there are good reasons to do so. It relates to persistence in opinion or behavior, not necessarily to an inability to be satisfied.
• Insatiable: This word means unable to be satisfied; having desires that are too great to be fulfilled. This directly matches the meaning of the phrase "That which cannot be satisfied". For example, someone with an insatiable appetite wants more food than they can ever eat.
• Drastic: This word means reaching or going to extreme or rash measures. It's often used to describe actions or changes. It has no relation to the concept of satisfaction.
• Prickly: This word usually describes something that has sharp points (like a cactus) or someone who is easily annoyed or offended; irritable. This meaning is unrelated to the inability to be satisfied.

Conclusion

Based on the analysis, the word Insatiable is the most accurate one-word substitute for the phrase "That which cannot be satisfied". It precisely captures the meaning of unending or unfulfillable desire or need.