| 1. |
(adjective) operating or living on land and in water; "amphibious vehicles"; "amphibious operations"; "amphibious troops"; "frogs are amphibious animals" |
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Antonyms: aquatic, terrestrial |
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| 2. |
(adjective) relating to or characteristic of animals of the class Amphibia |
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Synonyms: amphibian |
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| 3. |
(adjective) relating to military forces prepared for operations launched from the sea against an enemy shore; "amphibious troops" |
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