pertaining to, characteristic of, occurring in, or inhabiting the tropics, esp. the humid tropics

tropical flowers.

very hot and humid

a tropical climate.

designed for use in the tropics or in very hot weather (often used in combination)

tropical-weight woolens.

of or pertaining to either or both of the astronomical tropics.

pertaining to, characterized by, or of the nature of a trope or tropes; metaphorical.

tropicals, lightweight clothing, suitable for warm, esp. summer weather.

adjective

arctic , freezing , frigid , polar

adjective

close , equatorial , hot , lush , steamy , sticky , stifling , sultry , sweaty , sweltering , torrid , tropic , warm