rainy
adj.having a lot of rain or characterized by rain. You use this to describe weather or a day when it rains often.
adj.characterised by frequent or heavy rainfall. Often used to describe a climate, a specific day, or a season.
“It is a rainy day so we should stay inside.”
“The tropical region has a long rainy season that lasts from May until October every year.”
“The city's rainy climate necessitates a robust drainage system to prevent the low-lying streets from flooding during the peak of the monsoon.”
Typically used as an attributive adjective before a noun or after a linking verb like 'be' or 'become'.
Learners sometimes use the noun 'rain' instead of the adjective 'rainy' to describe the weather.
From Middle English reyny, from Old English reġniġ, from Proto-West Germanic regnag, from Proto-Germanic regnagaz (“rainy”), equivalent to rain + -y. Cognate with Saterland Frisian rienig (“rainy”), West Frisian reinich (“rainy”), Dutch regenig (“rainy”), German regnig (“rainy”), Swedish regnig (“rainy”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.