thunderstormy

As a noun terms

is .

As an adjective thunderstormy is

characterised by thunderstorms.

As a noun thunderstorms

is plural of lang=en.

As an adjective thunderstormy is

characterised by thunderstorms.

As a noun thunderstorm

is a storm consisting of thunder and lightning produced by a cumulonimbus, usually accompanied with heavy rain, wind, and sometimes hail; and in rarer cases sleet, freezing rain, or snow.

As an adjective thunderstormy is

characterised by thunderstorms.