Definition, Meaning & Synonyms

hydra

noun
/ˈhaɪ.drə/
Definition
A hydra is a small, freshwater organism from the phylum Cnidaria, known for its regenerative abilities.
Examples
  • The hydra can regrow its body parts if they are damaged or lost.
  • In mythology, the Hydra was a serpent-like creature with multiple heads.
Meaning
In a biological context, it refers to a genus of simple, multi-cellular creatures. Metaphorically, ‘hydra’ is often used to describe a complex problem or situation that can grow increasingly difficult as one aspect is resolved.
Synonyms
  • serpent
  • monster
  • multi-headed creature