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

Keep scrolling for more

Other Words from amphibious

amphibiously adverb
amphibiousness noun

Examples of amphibious in a Sentence

Recent Examples on the Web

The Revolutionary Guard navy is mostly designed as a rapid-reaction force and for Marine-style amphibious landings. Brian Murphy, Washington Post, "Iran has two naval forces with separate missions and commands. This is why.," 14 June 2019 The exercise includes amphibious landings and culminates in a mock confrontation against a fictitious enemy with similar capabilities. Thomas Grove, WSJ, "U.S., NATO Moves in Baltics Raise Russian Fears," 14 June 2019 In addition to the beach landings, another 15,000 airborne troops played a major role in flanking the Germans and helped the amphibious landing to form a beachhead on the shore. Fox News, "How D-Day technology made Operation Overlord a success," 7 June 2019 The amphibious landings were supported by an airborne drop of 13,000 paratroopers, with 4,000 additional men gliding in behind enemy lines later that night. CBS News, "Trump marks 75th anniversary of D-Day in Normandy – live updates," 6 June 2019 In what remains the biggest amphibious assault in history, some 156,000 Allied personnel landed in France on June 6, 1944. Chicago Tribune Staff,, "Daywatch: What's in the Illinois state budget, 75th anniversary of D-Day and other things to know to start your day," 6 June 2019 The day was the largest amphibious military assault the world had ever seen. Leada Gore |,, "D-Day 75th anniversary is today: What was D-Day? What does the ‘D’ stand for?," 6 June 2019 The D-Day assault was the largest amphibious invasion in wartime history, involving more than 150,000 soldiers from the United States, Britain and Canada. Stephen Hudak,, "Horrors, honors live on for D-Day soldiers," 6 June 2019 After earning his pilot’s license in his retirement, Halladay bought a 2018 ICON A5, an amphibious aircraft that can take off and land from water or from a tarmac. Jason Duaine Hahn,, "Son of Late MLB Great Roy Halladay Is Drafted by Toronto Blue Jays — His Dad's Former Team," 6 June 2019

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.

See More

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

Keep scrolling for more

Learn More about amphibious

Statistics for amphibious

Last Updated

21 Jun 2019

Look-up Popularity

Time Traveler for amphibious

The first known use of amphibious was in 1608

See more words from the same year

Keep scrolling for more

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

Keep scrolling for more

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

Comments on amphibious

What made you want to look up amphibious? Please tell us where you read or heard it (including the quote, if possible).


a device or gadget

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!