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.
The main risks are damaging straight-line winds and large hail. Kansas City Star, 1 May 2026 One death was reported in Wise County and another in Parker County, though the National Weather Service noted one of the fatalities was associated with very strong straight-line winds and occurred outside the tornado’s direct path. Brandi D. Addison, USA Today, 29 Apr. 2026 This is a classic destructive straight-line wind setup, and strong storms will certainly be possible. Ron Smiley, CBS News, 28 Apr. 2026 According to the company, the representative underwater mission offered a more realistic measure of usable range than a simple straight-line transit figure. Georgina Jedikovska, Interesting Engineering, 27 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 6 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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