1
: being a mechanical linkage or equivalent device designed to produce or copy motion in a straight line
2
: having the principal parts arranged in a straight line
3
: marked by a uniform spread and especially in equal segments over a given term
straight-line amortization
straight-line depreciation
4
: occurring, measured, or made in or along a straight line
straight-line motion
straight-line extrapolation

Examples of straight-line in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Combined with the intelligent path planning algorithm, the mower ensures precision straight-line mowing with three customizable path options to match your mowing preferences. William Jones, USA Today, 9 July 2025 Due date for individuals and businesses affected by wildfires and straight-line winds in southern California that began on January 7, 2025. Kelly Phillips Erb, Forbes.com, 5 July 2025 Some of the tests conducted there include those for stopping and going, high-speed bursts, noise pass-by and straight-line coasting. Russ Wiles, AZCentral.com, 3 July 2025 At least two people have died after the severe storm system that brought damaging straight-line winds and tornadoes to the region dumped torrential rain over Kentucky over the past several days. Cheryl V. Jackson, The Courier-Journal, 2 July 2025 See All Example Sentences for straight-line

Word History

First Known Use

1772, in the meaning defined at sense 4

Time Traveler
The first known use of straight-line was in 1772

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Cite this Entry

“Straight-line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/straight-line. Accessed 17 Jul. 2025.

Legal Definition

straight-line

adjective
: marked by equal payments over a given term
using the straight-line method of depreciation
Last Updated: - Updated example sentences
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