Synonym of SURREPTITIOUS

The correct answer is: Secret.

A synonym is a word that has the same or nearly the same meaning as another word. In this case, the word “surreptitious” means “done in a way that is intended to be kept secret or hidden.” The word “secret” also means “kept or meant to be kept from knowledge or view.”

The other options are not synonyms of “surreptitious.” The word “mysterious” means “difficult or impossible to understand.” The word “abstract” means “not clearly defined or concrete.” The word “open” means “not closed or covered.”

Here are some examples of how the word “surreptitious” can be used in a sentence:

• The spy took surreptitious photos of the enemy base.
• The thief made a surreptitious entry into the house.
• The lovers exchanged surreptitious glances.

I hope this helps!