hydra noun Stress: first syllable 🤍 Save Syllables: hy-dra (2) English Definition A mythical many-headed water serpent, or a tiny freshwater animal. Example Sentence The hydra can regenerate its lost body parts. US IPA /ˈhaɪdrə/ 🔊 Listen US UK IPA /ˈhaɪdrə/ 🔊 Listen UK Synonyms serpent monster Share this Word Facebook WhatsApp X Telegram Copy Link