noun, often attributive
plat·​form | \ˈplat-ˌfȯrm \

Definition of platform 

1 : plan, design

2 : a declaration of the principles on which a group of persons stands especially : a declaration of principles and policies adopted by a political party or a candidate

3a(1) : a usually raised horizontal flat surface especially : a raised flooring

(2) : a device or structure incorporating or providing a platform especially : such a structure on legs used for offshore drilling (as for oil)

b : a place or opportunity for public discussion

4a : a usually thick layer (as of cork) between the inner sole and outer sole of a shoe

b : a shoe having such a sole

5a : a vehicle (such as a satellite or aircraft) used for a particular purpose or to carry a usually specified kind of equipment

b : operating system also : the computer architecture and equipment using a particular operating system

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Synonyms for platform


dais, podium, rostrum, stage, stand, tribune

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Examples of platform in a Sentence

He stepped up onto the platform and looked out into the audience. She stepped off the train onto the platform. Our train is boarding on platform 6. The party adopted a new platform. The company plans to use the show as a platform to launch the new soft drink.
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Recent Examples on the Web

The social media platform is starting today to remove tens of millions of accounts that may be fake from follower counts, the New York Times reported. Natalie Dreier, ajc, "Twitter removes fake accounts, users may see drop in followers," 12 July 2018 In each of the dozen demos, the focus wasn’t so much on the power of these new MacBooks, but instead on the idea that the Mac platform is the lynchpin of a vibrant and capable ecosystem that enables creators to create things. Dieter Bohn, The Verge, "Apple’s new MacBook Pros have the latest Intel processors and quieter keyboards," 12 July 2018 The Sustainable CT platform isn't just about renewable energy and recycling. Denise Coffey, Courant Community, "Putnam Registers To Participate In Sustainable CT," 11 July 2018 But Spotlight has failed to gain any meaningful traction on the platform compared to music and playlists, likely triggering Spotify to reach out to Scribd and other third parties for brand-association help. Cherie Hu, Billboard, "Aggressive Content Bundling Might Be Spotify's Only Chance of Competing With Apple, Amazon," 10 July 2018 According to Pinterest, saves for bateau necklines are on the rise on the platform, increasing by 104 percent since 2017. Halie Lesavage, Glamour, "Meghan Markle and Bateau Necklines: A Love Story," 10 July 2018 Of course, Twitter accounts of reputable news organizations aren’t among the estimated 1 million per day the platform is purging. Emily Stewart, Vox, "Trump wants Twitter to delete the New York Times’ and the Washington Post’s accounts.," 7 July 2018 The new platform of the Democrat Party is to abolish ICE. Fox News, "Ben Shapiro blasts 'idiotic' Statue of Liberty protest," 6 July 2018 And the platform drafted after months of public meetings was an attempt to reflect that reality. Jason Hancock, kansascity, "Should abortion stance be a purity test for Missouri Democrats? Question roils party," 5 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'platform.' 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 platform

1535, in the meaning defined at sense 1

History and Etymology for platform

Middle French plate-forme diagram, map, literally, flat form

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Statistics for platform

Last Updated

6 Nov 2018

Look-up Popularity

Time Traveler for platform

The first known use of platform was in 1535

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More Definitions for platform



English Language Learners Definition of platform

: a flat surface that is raised higher than the floor or ground and that people stand on when performing or speaking

: a flat area next to railroad tracks where people wait for a train or subway

: a usually raised structure that has a flat surface where people or machines do work


plat·​form | \ˈplat-ˌfȯrm \

Kids Definition of platform

1 : a level usually raised surface We hurried to the train platform. Visitors can observe wildlife from a platform.

2 : a raised floor or stage for performers or speakers

3 : a statement of the beliefs and rules of conduct for which a group stands The candidates discussed their party's platform.

4 : an arrangement of computer components that uses a particular operating system

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Comments on platform

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


playful or foolish behavior

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