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

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


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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 This was her first experience on any social media platform. Julissa James, Los Angeles Times, "My mom sent me to TikTok therapy — and it kind of ... worked?," 6 May 2021 Unlicensed agents have exploited the social media platform to place these women into jobs that often lack documentation or assurances of proper pay and working conditions. Washington Post, "Instagram fuels rise in black-market sales of maids into Persian Gulf servitude," 5 May 2021 The decision is said to be the final one on Trump’s fate on the social networking platform. al, "Facebook decision on Trump ban to be announced May 5," 4 May 2021 This is not the social media platform that Trump has pledged to create; there is no way for viewers to interact or respond to the Trump messages that are posted on the new website. David Jackson, USA TODAY, "Trump launches 'From the desk of Donald J. Trump' as potential Facebook ban looms," 4 May 2021 The Facebook Oversight Board will decide Wednesday whether former President Trump will remain suspended from the social media platform [CNN]. Bryan Schott, The Salt Lake Tribune, "‘The Rundown’: Can Utah’s politics return to civility?," 4 May 2021 Combined, the couple has over 57 million followers on the social media platform. Paul O'donnell, Dallas News, "Bill and Melinda Gates announce their divorce on Twitter to their 57 million followers," 3 May 2021 The statement came as an oversight board for Facebook is expected to rule this week on whether to allow Trump back on the social media platform after he was suspended in the wake of the Jan. 6 attack on the U.S. Capitol., "Liz Cheney slams Trump’s attempt to brand 2020 election ‘the Big Lie’," 3 May 2021 The match ended in a draw at the Staples Center in Los Angeles, but the key takeaway was the promotion of the fight from the social media platform Triller. Angela Ruggiero, Rolling Stone, "How I’ve Seen Sports Properties Adapt to Give Fans What They Want," 3 May 2021

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

8 May 2021

Cite this Entry

“Platform.” Dictionary, Merriam-Webster, Accessed 18 May. 2021.

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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 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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