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streamline

American  
[streem-lahyn] / ˈstrimˌlaɪn /

noun

  1. a teardrop line of contour offering the least possible resistance to a current of air, water, etc.

  2. the path of a particle that is flowing steadily and without turbulence in a fluid past an object.


verb (used with object)

  • streamlines,
    present (3rd person singular)
  • streamlined,
    past participle,  past
  • streamlining
    present participle
  1. to make streamlined.

  2. to alter in order to make more efficient or simple.

adjective

  1. streamlined.

streamline British  
/ ˈstriːmˌlaɪn /

noun

  1. a contour on a body that offers the minimum resistance to a gas or liquid flowing around it

  2. an imaginary line in a fluid such that the tangent at any point indicates the direction of the velocity of a particle of the fluid at that point

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to make streamlined

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
streamline Scientific  
/ strēm′līn′ /
  1. To construct or reconstruct an object to reduce the amount of drag it undergoes as it moves through a fluid, especially air or water.


streamline Cultural  
  1. The line traced by a liquid or gas as it moves. Streamlines are most commonly used in describing the flow of a liquid or gas around a solid object.


Discover More

A “streamlined” design is one in which objects that move through a gas or liquid are shaped to match these lines, and therefore reduce the energy required to produce that motion.

Other Word Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of streamline

First recorded in 1870–75; stream + line 1

Explanation

When you streamline something, you're simplifying it to make it more efficient or profitable. When you think of streamlining, think of a bunch of streams coming together to form one stream. This word is about taking something complicated with a lot of parts and turning it into a simpler, sleeker thing. When companies streamline, they cut staff and reorganize to make the business run more smoothly and make more money. When an engineer streamlines a car design, he takes out all the unnecessary parts and makes the engine more efficient.

Keep Reading on Vocabulary.com

Vocabulary lists containing streamline

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Gov. Gavin Newsom signed into law two bills that will overhaul the landmark California Environmental Quality Act in an effort to streamline housing development in the state.

From Los Angeles Times ● Sep. 19, 2026

State of Fashion report, as San Francisco’s RealReal, Redwood City’s Poshmark, Oakland’s ThredUp and others used Silicon Valley innovation to streamline listing, finding and delivering secondhand products.

From Los Angeles Times ● Sep. 19, 2026

The report added that the defence department is now working to "streamline procurement processes and production lead times" to address the shortages and "respond rapidly to a contingency".

From BBC ● Sep. 15, 2026

To deal with shortfalls and delays, the Pentagon is "working to streamline procurement processes and production lead times, and to stockpile critical materials, components, and selected munitions," the report said.

From Barron's ● Sep. 15, 2026

“They’re amazing creatures—the fastest birds on earth. They’re like shape- shifters, the way they streamline their bodies in the air.”

From "Miss Peregrine's Home for Peculiar Children" by Ransom Riggs

It eliminates an expensive requirement to build manufactured housing on permanent steel frames, streamlines environmental reviews, and incentivizes cities to provide preapproved home designs, which will simplify things for governments, regulators, and builders.

From Barron's ● Jun. 24, 2026

The value proposition of generative AI is that it streamlines the process of communicating by skipping connective thought processes.

From Salon ● Jun. 10, 2026

Spirit customers can file a proof of claim for their points, vouchers or flight credits through Epiq, a website that streamlines bankruptcy proceedings for companies — but they shouldn’t count on a payout.

From MarketWatch ● May 4, 2026

“This acquisition also streamlines group structure, enhances strategic agility, and fosters a stronger link between Private Banking/Investment Banking performance and profitability,” he adds.

From The Wall Street Journal ● Feb. 19, 2026

It was a thing of graceful beauty even on the ground, its long curving streamlines giving it wonderful symmetry.

From The Black Star Passes by John Wood Campbell

The number of model variants will also be streamlined to boost profitability.

From The Wall Street Journal ● Sep. 30, 2026

This streamlined process allows estates like your mother’s to be settled more quickly and at a fraction of the cost of traditional probate.

From MarketWatch ● Sep. 27, 2026

Some applications were streamlined, meaning a higher number of claimants were given leave to remain.

From BBC ● Sep. 21, 2026

Their streamlined, fusiform bodies combined features characteristic of hexapods and insects with more primitive ancestral traits.

From Science Daily ● Aug. 27, 2026

Their vehicle was a streamlined “palace” horse van painted in Howard crimson and white and featuring two musical horns, eight headlights, fourteen cigar lighters, and a luxurious stall with kapok-stuffed walls.

From "Seabiscuit: An American Legend" by Laura Hillenbrand

Novo Nordisk, the Danish drug giant behind Ozempic, is streamlining its corporate culture and shortening its name as it tries to better compete in the market for weight-loss drugs.

From MarketWatch ● Sep. 14, 2026

These layoffs are part of an initiative aimed at streamlining package pickups and deliveries by merging ground and express delivery networks.

From Los Angeles Times ● Aug. 13, 2026

The deal could strengthen Maybank’s bancassurance business by deepening cross-selling and streamlining regional insurance operations.

From The Wall Street Journal ● Aug. 4, 2026

The introduction of the National Police Service is aimed at streamlining national responsibilities to allow local forces to focus on tackling crime in their communities, the BBC understands.

From BBC ● Aug. 3, 2026

This and robust finances have offered the center-right government considerable scope to implement its reform program aimed at increasing employment, reducing welfare dependence, and streamlining the state's role in the economy.

From The 2008 CIA World Factbook by United States. Central Intelligence Agency

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