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.
Tornadoes, large hail, intense straight-line winds, and significant flash flooding was witnessed across North Texas Saturday night. Lauren Bostwick, CBS News, 26 Apr. 2026 Tornado threats of varying levels are in place each day through Monday, as are risks for damaging straight-line wind gusts and hail. Briana Waxman, CNN Money, 24 Apr. 2026 The most likely threat is damaging straight-line winds from a line of storms, but if storms can remain more isolated, hail and tornadoes could also happen, the weather service said. Kansas City Star, 24 Apr. 2026 Curved edges instead of boxy, straight-line layouts also soften boundaries and create a sense of flow that makes a garden feel more expansive. Lauren Jarvis-Gibson, Sacbee.com, 22 Apr. 2026 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

Browse Nearby Words

Cite this Entry

“Straight-line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/straight-line. Accessed 1 May. 2026.

Legal Definition

straight-line

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