Arid.
Arid.
The opposite of arid is humid or wet, describing an environment that is damp or moist rather than dry.
dry, arid
dry, arid
Tropical rainforests are not typically associated with semiarid or arid climates. These forests are characterized by high rainfall and humidity, which is the opposite of the conditions found in semiarid or arid regions.
The opposite of moist is dry or dried, but could also be parched or arid depending on the noun being modified.
main characteristics of the vegetation of arid and semi arid regions
Arid & Semi-Arid
The opposite of a rainforest would be a desert, which is characterized by dry, arid conditions and low precipitation levels. Unlike rainforests, deserts have limited vegetation and support a different set of wildlife adapted to survive in harsh conditions.
Arid
Deserts are arid. There is no such thing as a 'semi-arid' desert. Semi-arid regions are steppes or grasslands.