Adjective semiaquatic has 2 senses
  1. amphibiotic, semiaquatic - having an aquatic early or larval form and a terrestrial adult form
    Antonym: aquatic (indirect, via terrestrial, amphibious)
    Antonyms: terrestrial, land (indirect, via amphibious, aquatic)
  2. semiaquatic, subaquatic - partially aquatic; living or growing partly on land and partly in water; "a marginal subaquatic flora"
    Antonyms: terrestrial, land (indirect, via amphibious, aquatic)
    Antonym: amphibious (indirect, via aquatic, terrestrial)
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