am·​phib·​i·​ous | \ am-ˈfi-bē-əs How to pronounce amphibious (audio) \

Definition of amphibious

1 : combining two characteristics
2a : relating to or adapted for both land and water amphibious vehicles
b : executed by coordinated action of land, sea, and air forces organized for invasion an amphibious landing also : trained or organized for such action amphibious forces
3 : able to live both on land and in water amphibious plants

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Other Words from amphibious

amphibiously adverb
amphibiousness noun

Examples of amphibious in a Sentence

Recent Examples on the Web The amphibious transport ship USS San Diego has gone into port in Bahrain after 12 service members tested positive for the virus, the Navy's Fifth Fleet said. Luis Martinez, ABC News, "2 US Navy ships in Middle East facing COVID-19 outbreaks," 26 Feb. 2021 For instance, analysts note that Beijing has been building a force of warships like helicopter landing docks and large amphibious assault ships that could be useful in taking islands. Brad Lendon, CNN, "Chinese threat to Taiwan 'closer to us than most think,' top US admiral says," 24 Mar. 2021 The Bonhomme Richard was the sixth of the Wasp-class amphibious ships. Kyle Mizokami, Popular Mechanics, "Florida Wants to Turn the Burned-Out USS Bonhomme Richard Into a Reef," 26 Feb. 2021 Assuming a timely response by Washington, the F-35 in combination with other friendly ground, airborne and seaborne forces could quickly reduce any amphibious force seeking to cross the strait. Loren Thompson, Forbes, "Two Biden-Era Flashpoints Where The F-35 Fighter Could Prove Decisive," 12 Mar. 2021 The winner could also win over the Marine Corps, which has already decided that its M1s are too heavy for future amphibious warfare; a light tank replacement could be the perfect solution. Eric Tegler, Popular Mechanics, "Two Light Tank Prototypes Battle for the Future of Army Firepower," 7 Mar. 2021 There’s currently nothing in the building codes that addresses amphibious construction, and that is a major hurdle in the U.S.—Dr. Benoit Morenne, WSJ, "Climate-Proofing Homes for Extreme Weather Ahead," 10 Dec. 2020 Following the conquest of Sicily, Prestia took part in the amphibious landings at Salerno and Anzio on the Italian mainland. David Kindy, Smithsonian Magazine, "The True History of Netflix’s ‘The Liberator’," 11 Nov. 2020 The amphibious planes skim the surface of lakes or the ocean to fill tanks with more than1,600 gallons of capacity that can be dropped on the flames. Chris Woodyard, USA TODAY, "California catches a break from worst-ever year for wildfires with cooler weather – but the threat remains," 11 Nov. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amphibious.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of amphibious

1608, in the meaning defined at sense 1

History and Etymology for amphibious

Latin amphibius "living both on land and in water" (borrowed from Greek amphíbios "living a double life, living both on land and in the water," from amphi- amphi- + -bios "having such a mode of life," derivative of bíos "life") + -ous — more at quick entry 1

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Time Traveler for amphibious

Time Traveler

The first known use of amphibious was in 1608

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Statistics for amphibious

Last Updated

14 Apr 2021

Cite this Entry

“Amphibious.” Dictionary, Merriam-Webster, Accessed 21 Apr. 2021.

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More Definitions for amphibious



English Language Learners Definition of amphibious

: able to live both on land and in water
: able to be used both on land and water
: done by soldiers who are brought to land in special boats : carried out by land and sea forces acting together


am·​phib·​i·​ous | \ am-ˈfi-bē-əs How to pronounce amphibious (audio) \

Kids Definition of amphibious

1 : able to live both on land and in water amphibious animals
2 : meant to be used on both land and water amphibious vehicles
3 : made by land, sea, and air forces acting together amphibious attack

More from Merriam-Webster on amphibious

Nglish: Translation of amphibious for Spanish Speakers

Britannica English: Translation of amphibious for Arabic Speakers

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