Other forms: amphibiously

If you can drive your car down the highway and then go off road and ford a few rivers, too, you've got an amphibious vehicle — something that works on land and in the water, too.

Amphibious also describes animals that can live on land or in the water — like frogs and toads — and comes from the Greek roots amphi "both" and bios "life." Military operations where both your army and your navy are involved — one attacking by land and the other by sea — are called amphibious assaults or amphibious operations.

Definitions of amphibious
  1. adjective
    relating to or characteristic of animals of the class Amphibia
    synonyms: amphibian
  2. adjective
    operating or living on land and in water
    amphibious vehicles”
    amphibious operations”
    amphibious troops”
    “frogs are amphibious animals”
    amphibiotic, semiaquatic
    having an aquatic early or larval form and a terrestrial adult form
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    operating or living or growing in water
    operating or living or growing on land
    native to or inhabiting the sea
    semiaquatic, subaquatic
    partially aquatic; living or growing partly on land and partly in water
    subaquatic, subaqueous, submerged, submersed, underwater
    growing or remaining under water
    on the edge of the land
    traveling or passing over land
    show more antonyms...
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