Select the most appropriate ANTONYM of the underlined word.

Their reverence reaches its zenith here at the birthplace of the country's founder.

Nadir

The most appropriate antonym of the underlined word zenith is nadir.

• Zenith means "the highest point or culmination."
• Nadir means "the lowest point or point of greatest depression."

The other words do not have the same meaning as zenith, so they are not its antonyms.

• Crest means "the highest point of a hill or wave."
• Horizon means "the line where the sky and the earth appear to meet."
• Pinnacle means "the highest point of a mountain or tower."