noun, often attributive
plat·​form | \ ˈplat-ˌfȯrm How to pronounce platform (audio) \

Definition of platform

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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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 Twitter even blocked Trump’s campaign website from its social media platform. Paul Bedard, Washington Examiner, "White House Report Card: Crunch time for Trump, Zogby says it's this close," 17 Oct. 2020 The social media platform brought its first fiber infrastructure program in North America right to West Virginia. Morgan Phillips, Fox News, "Sen. Shelley Capito's 'Big Idea': Expand broadband access to bring tech jobs to rural America," 16 Oct. 2020 The drama started playing out about two and a half years ago when the active-duty Marine and fitness buff started growing his social media platform. Diane Bell Columnist, San Diego Union-Tribune, "Column: Nigerian romance scheme targets local Marine," 16 Oct. 2020 Other Texas Republicans have also criticized the social media platform. Elizabeth Thompson, Dallas News, "Texans Cruz and Cornyn call to subpoena Twitter CEO over NY Post story on Biden, Ukraine," 15 Oct. 2020 Together, the family has created a Kardashian-like empire on the social platform. Alexis Benveniste, CNN, "TikTok star Charli D'Amelio and her family hire a major talent agency exec to run their business," 15 Oct. 2020 The Philippine military chief also called on Facebook Inc. to be impartial, seconding President Rodrigo Duterte who last month criticized the social media platform for taking down accounts linked to the armed forces and the police. Cecilia Yap,, "South China Sea Remains Volatile, Philippine Military Chief Says," 13 Oct. 2020 Hayes pointed his viewers to CloutHub, a social media platform that vows to not censor its users’ writings. Richard Ruelas, The Arizona Republic, "Arizona-based QAnon interpreter, militia mobilizer, other pages taken off of Facebook during crackdown," 9 Oct. 2020 Investigators found the man used a false identity on a social media platform and convinced the juvenile to send him photos. Washington Post, "Woodbridge man charged with luring online juveniles into sexual assaults," 3 Oct. 2020

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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Time Traveler for platform

Time Traveler

The first known use of platform was in 1535

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Statistics for platform

Last Updated

22 Oct 2020

Cite this Entry

“Platform.” Dictionary, Merriam-Webster, Accessed 25 Oct. 2020.

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More Definitions for platform


How to pronounce platform (audio)

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 How to pronounce platform (audio) \

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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