Select the most appropriate synonym of the given word.

BIZARRE 

Extravagant

The correct answer is option 4. Extravagant.

The word "bizarre" refers to something that is very unusual, strange, or outlandish. Similarly, "extravagant" can describe something that is excessive, over-the-top, or lavish. Both words convey a sense of being out of the ordinary or unconventional. While they are not exact synonyms, they can be used in similar contexts, especially when describing something that is notably peculiar or eccentric. Therefore, "extravagant" is considered the most appropriate synonym of "bizarre" in the given options.