AMPHIBIOUS [æmˈfɪbi.əs] ► audio Scrabble 19 Words With Friends 22 Definition adjective relating to or characteristic of animals of the class Amphibia. — synonyms: amphibian adjective operating or living on land and in water. Examples “an amphibious attack” See all 237 words you can make from AMPHIBIOUS → 10-letter words Words starting with A Words ending with S ← Unscramble different letters