stream·line | \ˈstrēm-ˌlīn \

Definition of streamline 

(Entry 1 of 2)

1 : the path of a particle in a fluid relative to a solid body past which the fluid is moving in smooth flow without turbulence

2a : a contour designed to minimize resistance to motion through a fluid (such as air)

b : a smooth or flowing line designed as if for decreasing air resistance


streamlined; streamlining; streamlines

Definition of streamline (Entry 2 of 2)

transitive verb

1 : to design or construct with a streamline

2 : to bring up to date : modernize

3a : to put in order : organize

b : to make simpler or more efficient a system that streamlines the process

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Synonyms & Antonyms for streamline

Synonyms: Verb


Antonyms: Verb

complex, complexify, complicate, perplex, sophisticate

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Examples of streamline in a Sentence


The manufacturer has streamlined the car's design. The business is looking for ways to streamline production.

Recent Examples on the Web: Noun

By 1959, Notre Dame’s F.N.M. Brown produced gorgeous wind-tunnel images of smoke streamlines showing the way a ball with backspin deflected its wake. Jenn Stroud Rossmann, The Atlantic, "The Contentious Physics of Wiffle Ball," 15 Sep. 2017 The program streamlines and speeds up the security screening process. Robert A. Cronkleton,, "TSA Precheck enrollment for quicker screening is in early June at KCI," 22 May 2017 The idea is to improve scale and inventory management, as well as streamline Kate Spade’s supply chain. Stephanie Hoi-nga Wong,, "Coach Agrees to Buy Kate Spade for $2.4 Billion," 8 May 2017

Recent Examples on the Web: Verb

In January, the city streamlined the bike rack permitting process and lowered the application fee from nearly $200 to $25. Sarah Gish, kansascity, "Will Kansas City ever be bike-friendly? The city is about to roll out a plan," 13 July 2018 Keeping things streamlined to a few ingredients all cooked in one packet means more time for hanging out and enjoying a relaxing meal with very little cleanup time. For Kroger, The Courier-Journal, "It's outdoor dining season: celebrate with zesty grilling dinner packets," 26 May 2018 The shipping industry contends this situation, along with varying state ballast regulations, has created a regulatory quagmire and that the new measure will streamline things for the industry and still protect the Great Lakes and other U.S. waters. Dan Egan, Milwaukee Journal Sentinel, "U.S. Senate voting this week on looser rules for Great Lakes ships dumping ballast water," 17 Apr. 2018 Since Airbnb will collect and remit taxes, the new agreement streamlines the process for both the hosts and the county. Julia Sclafani, sacbee, "Airbnb agrees to collect tax for vacation rentals in El Dorado County," 20 June 2018 In response to feedback from educators and parents, CPS has streamlined data collection requirements to give IEP teams more flexibility to make decisions and allow services to be authorized more quickly, Bolton said. Vikki Ortiz,, "CPS students denied special education services amid 'cycle of chaos,' parents say," 19 June 2018 Officials also promise streamlined visa rules for teams and fans. Jonathan Tannenwald,, "Will North America get the 2026 World Cup? Or will FIFA deliver another gut punch?," 11 June 2018 Those rare disorders also make up about 15 percent of patient admissions to children’s hospitals — so streamlining the genetic sequencing process has big implications for families and pediatric medicine. Tarpley Hitt, miamiherald, "New rapid genetic sequencing saved this baby. Now, the test is coming to Miami | Miami Herald," 30 Apr. 2018 New Cisco offerings that are based on Mr. Robbins’s streamlining strategy seem to be selling well, reversing years of revenue stagnation for the company’s core business. New York Times, "Cisco Chief Executive’s New Mantra: Simplify Computer Networks," 10 July 2018

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


1868, in the meaning defined at sense 1


1913, in the meaning defined at sense 1

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Time Traveler for streamline

The first known use of streamline was in 1868

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More Definitions for streamline



English Language Learners Definition of streamline

: to design or make (something, such as a boat or car) with a smooth shape which makes motion through water or air easier

: to make (something) simpler, more effective, or more productive

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