Antonyms of noun cyclone

1 of 2 senses of cyclone

Sense 1
cyclone -- ((meteorology) rapid inward circulation of air masses about a low pressure center; circling counterclockwise in the northern hemisphere and clockwise in the southern)
       Antonym of anticyclone (Sense 1)
      => anticyclone -- ((meteorology) winds spiraling outward from a high pressure center; circling clockwise in the northern hemisphere and counterclockwise in the southern)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cyclone

2 senses of cyclone

Sense 1
cyclone -- ((meteorology) rapid inward circulation of air masses about a low pressure center; circling counterclockwise in the northern hemisphere and clockwise in the southern)
       => atmosphere, atmospheric state -- (the weather or climate at some place; "the atmosphere was thick with fog")

Sense 2
cyclone -- (a violent rotating windstorm)
       => windstorm -- (a storm consisting of violent winds)