Illustration of iguana
: any of various large chiefly herbivorous usually green or brownish tropical American lizards (family Iguanidae, the iguana family) that have a serrated dorsal crest and large dewlap
broadly
: any of various large lizards
Examples of iguana in a Sentence
Recent Examples on the Web
Why Wildlife Officials Are Worried South Florida already contends with invasive Burmese pythons, iguanas, and other nonnative species that disrupt local ecosystems.
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Ryan Brennan, Fort Worth Star-Telegram, 13 Mar. 2026
And with so many other invasives now eating their way through the Everglades — species like Burmese pythons, Nile monitors, green iguanas, and cane toads — federal and state wildlife managers haven’t always paid enough attention to the impacts that Asian swamp eels are having.
—Dac Collins, Outdoor Life, 12 Mar. 2026
Her iguana, which by then was more than five feet long, stayed put.
—H. C. Wilentz, New Yorker, 2 Mar. 2026
Bitter Guana Cay in the Bahamas is home to the rare Exuma Island iguana, a nearly extinct species found nowhere else in the world.
—Madeline Weinfield, Travel + Leisure, 26 Feb. 2026
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Ryan Brennan, Fort Worth Star-Telegram, 13 Mar. 2026
And with so many other invasives now eating their way through the Everglades — species like Burmese pythons, Nile monitors, green iguanas, and cane toads — federal and state wildlife managers haven’t always paid enough attention to the impacts that Asian swamp eels are having.
—Dac Collins, Outdoor Life, 12 Mar. 2026
Her iguana, which by then was more than five feet long, stayed put.
—H. C. Wilentz, New Yorker, 2 Mar. 2026
Bitter Guana Cay in the Bahamas is home to the rare Exuma Island iguana, a nearly extinct species found nowhere else in the world.
—Madeline Weinfield, Travel + Leisure, 26 Feb. 2026
See All Example Sentences for iguana
Cite this Entry
“Iguana.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iguana. Accessed 19 Mar. 2026.
Copy CitationKids Definition
iguana
noun
igua·na
i-ˈgwän-ə 
: any of various large plant-eating tropical American lizards that have a ridge of tall scales along the middle of the back and loose skin hanging below the neck
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