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Noun: supertwister
  1. The most powerful tornado which can create enormously devastating damage
    "supertwisters are fortunately rare"

Type of: tornado, twister

Nearest

superstrate
superstratum
superstring
superstructure
supersymmetric
supersymmetry
supertanker
supertax
supertitle
supertonic
supertwister
superuser
supervene
supervene upon
supervenient
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supervillain
supervise
supervised
supervising
supervision