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

Surreptitious means done secretly.

• Correct answer - secret: it has the same meaning as Surreptitious.
• controversial: causing public disagreement - wrong, it does not mean the same as Surreptitious.
• religious: relating to faith - wrong, it does not mean the same as Surreptitious.
• satisfied: content - wrong, it does not mean the same as Surreptitious.