- amphibious, amphibian - relating to or characteristic of animals of the class Amphibia
- amphibious - operating or living on land and in water; "amphibious vehicles"; "amphibious operations"; "amphibious troops"; "frogs are amphibious animals"
Antonyms: aquatic, semiaquatic, subaqueous, subaquatic, submerged, submersed, underwater, marine, terrestrial, land