Word Type

Noun

Proper Noun

The word "hydra" can be used as noun and proper noun.

Word Relationships

Derived Terms

Hydrae Hydrian brown hydra freshwater hydra green hydra hydralike hydranth hydriform microhydra

Context

astronomy constellation greek mythology

Broader Terms (Hypernyms)

hydroid hydrozoan mythical creature mythical monster problem trouble

Type Of (IsA)

administrative region animal animal with no head cnidaria constellation hydrozoan mythical monster object planet strange common name trouble

Related Terms

alphard complex constellation cylindrical freshwater greece head hercules labour multifarious mythological northern oral pluto polyp serpent spring tentacle zodiac

Synonym Network

lernaean pluto ii

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.