Definition of vortex (noun)
- the shape of something rotating rapidly
- a powerful circular current of water (usually the result of conflicting tides)
- a dangerous or bad situation in which you become more and more involved and from which you cannot escape
- "I was sucked into a vortex of despair"
- a mass of air or water that spins around very fast and pulls objects into its empty centre
Source: Princeton University Wordnet