Which of the following words is closest in meaning to “Insatiable”?

Insatiable means impossible to satisfy; greedy.

• Correct answer - greedy: it has the same meaning as Insatiable.
• having strong feelings: being deeply emotional - wrong, it does not mean the same as Insatiable.
• ruthless: without pity - wrong, it does not mean the same as Insatiable.
• unfriendly: not kind - wrong, it does not mean the same as Insatiable.