Amphibian

//æmˈfɪbɪən// adj, noun

adj, noun ·Common ·High school level

Definitions

Noun
  1. 1
    An animal of the Amphibia; any vertebrate that does not have amniotic eggs, living both on land and in water.
  2. 2
    cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form wordnet
  3. 3
    A vehicle which can operate on both land and water.
  4. 4
    an airplane designed to take off and land on water wordnet
  5. 5
    a flat-bottomed motor vehicle that can travel on land or water wordnet
Adjective
  1. 1
    Of or relating to the class Amphibia. not-comparable
  2. 2
    Capable of operating on both land and water; amphibious. not-comparable
  3. 3
    Having two natures. not-comparable, obsolete
Adjective
  1. 1
    relating to or characteristic of animals of the class Amphibia wordnet

Synonyms

All synonyms
aeroboatairairy nothingamphibiousamphibiousamphibious aircraft

Example

More examples

"The life cycle of an amphibian consists of three stages: egg, larva and adult."

Etymology

Learned borrowing from Latin amphibius [from Ancient Greek ἀμφίβιος (amphíbios), from ἀμφίς (amphís, “of both kinds”) + βίος (bíos, “life”)] + -an.

Related phrases

amphibian helicopteramphibian speciesamphibian tankfour leggedsexual selection

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.