Choose the most appropriate adjective.
Those are probably the ___________ chairs in the store.

fanciest

The correct adjective to use in the blank is fanciest. (OPTION 2)

The word fanciest is the superlative form of the adjective fancy, which means "elegant or elaborate in design or style." In this case, the fanciest chairs in the store means the chairs that are the most elegant or elaborate in design or style in the store.

The other options are incorrect.

• Fanciest is the correct spelling of the superlative form of the adjective fancy.
• Most fanciest is not a word in the English language.
• None of the above is not an adjective.