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

Adversity means hardship or misfortune.

• Correct answer - hardship: it has the same meaning as Adversity.
• opponent: a rival - wrong, it does not mean the same as Adversity.
• opening: a gap or a beginning - wrong, it does not mean the same as Adversity.
• agency: an organisation providing a service - wrong, it does not mean the same as Adversity.