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 Stories of an amphibious humanoid in the Loveland area have circulated since 1955. Scott Wartman,, "Bigfoot, Grassman, Frogman. Ohio doing pretty well, monster-wise," 11 Feb. 2020 According to Congressional Research Reports, San Antonio-class amphibious transport docks are named after major cities and communities as well as places attacked on Sept. 11, 2001. Katie Surma, azcentral, "Rep. Paul Gosar wants Navy to name warship after Granite Mountain Hotshots," 23 Jan. 2020 Many of these forms were amphibious, and, ultimately, went extinct. Riley Black, Smithsonian, "Ancient Whale Fossil Helps Detail How the Mammals Took From Land to Sea," 11 Dec. 2019 The 96th Infantry Division went from an inexperienced division led by regular Oregonians to a courageous and skilled amphibious unit that fought with distinction in World War II. oregonlive, "An HIV outbreak is tied to homelessness, which also complicates treatment: Morning Briefing," 11 Nov. 2019 The two died in Operation Dawn 8 in Iran's 1980s war with Iraq in which Soleimani also took part, a 1986 amphibious assault that cut Iraq off from the Persian Gulf and led to the end of the bloody war that killed 1 million people. Anchorage Daily News, "Scores reported dead in stampede during funeral for Iran general killed by US," 7 Jan. 2020 The 10-day drills, which include amphibious assault and live-fire exercises, opened at Subic Freeport, a former U.S. naval base northwest of Manila. San Diego Union-Tribune, "Recent developments surrounding the South China Sea," 13 Oct. 2019 LHDs can conduct amphibious assaults, an important consideration given China’s pledge to return Taiwan to mainland control. Kyle Mizokami, Popular Mechanics, "China Launches Its First Amphibious Assault Ship," 2 Oct. 2019 They were used as part of every major amphibious operation of the war. Mike Scott,, "The Allies' secret weapon in World War II? This guy.," 5 June 2018

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

Greek amphibios, literally, living a double life, from amphi- + bios mode of life — 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

15 Feb 2020

Cite this Entry

“Amphibious.” Dictionary, Merriam-Webster, Accessed 28 Feb. 2020.

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More Definitions for amphibious


How to pronounce amphibious (audio)

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

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More from Merriam-Webster on amphibious

Spanish Central: Translation of amphibious

Nglish: Translation of amphibious for Spanish Speakers

Britannica English: Translation of amphibious for Arabic Speakers

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