Added 10 October 2026 semiaquatic adjective Categories: Describing WordsObscure Words adjective ! Definition from WordNet 3.1, Princeton University. More about semiaquatic at Wordnik → Where our words come from → Having an aquatic early or larval form and a terrestrial adult form. Partially aquatic; living or growing partly on land and partly in water. a marginal subaquatic flora Origin From semi- + aquatic. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: amphibioticaquaticsubaquaticamphibiousterrariumsemi-aquaticamphihalineaquicolouscatadromoussubmergentsemi-pelagickatadromous Back to today's word