One of the statements below contains a word used incorrectly. Choose the option which has the incorrect or inappropriate usage of the word.

The question is testing for word usage between luxurious and luxuriant.

Luxurious refers to something expensive, elegant, or characterized by comfort and extravagance. Think of a five-star hotel suite with marble floors, silk curtains, and a personal butler - that's the kind of fancy, high-end comfort that makes something luxurious.

Luxuriant describes something that grows abundantly or profusely, like thick vegetation or hair. Picture a jungle with dense, overflowing greenery, or someone with thick, flowing locks of hair - that lush, abundant quality is what makes something luxuriant.

Option 1 -> Correct usage. "Luxurious lives" appropriately describes the elegant, comfortable lifestyle of princes.

Option 2 -> Incorrect usage. Gold, silk, and velvet trimmings should be described as "luxurious" (expensive/elegant), not "luxuriant" (abundant/lush).

Option 3 -> Correct usage. "Luxuriant tresses" properly describes thick, abundant golden hair.

Option 4 -> Correct usage. "Luxurious suites" correctly describes elegant, high-end accommodations.

Hence, Option 2 is correct.