tropical
US /ˈtrɑː.pɪ.kəl/
UK /ˈtrɑː.pɪ.kəl/

1.
relating to or situated in the region between the Tropic of Cancer and the Tropic of Capricorn
:
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Brazil has a largely tropical climate.
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We saw many beautiful tropical birds on our trip.
2.
very hot and humid, like the climate of the tropics
:
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The air was thick and tropical, making it hard to breathe.
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The greenhouse maintained a tropical environment for the exotic plants.