linear

adjective

lin·​e·​ar ˈli-nē-ər How to pronounce linear (audio)
Synonyms of linearnext
1
a(1)
: of, relating to, resembling, or having a graph that is a line and especially a straight line : straight
(2)
: involving a single dimension
b(1)
: of the first degree with respect to one or more variables
c(1)
: characterized by an emphasis on line
linear art
(2)
: composed of simply drawn lines with little attempt at pictorial representation
linear script
d
: consisting of a straight chain of atoms
a linear molecule
2
: elongated with nearly parallel sides
linear leaf
see leaf illustration
3
: having or being a response or output that is directly proportional to the input
4
: of, relating to, or based or depending on sequential development
linear thinking
a linear narrative
linearity noun
linearly adverb

Examples of linear in a Sentence

a flat, almost linear horizon the bullets from early firearms were notorious for not following a strictly linear path through the air
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.
Integrated linear actuators provide high power density with low noise, supporting stable, agile, and coordinated whole-body movement. Jijo Malayil, Interesting Engineering, 13 Jan. 2026 In Kozuka’s non-linear thinking, both elements reminded him of everyone’s journey back home — or, symbolically, a return to one’s roots. Martino Carrera, Footwear News, 13 Jan. 2026 Buffalo, New York’s Anchor Bar has laid its claim to the most famous chicken wing in America, but as with many beloved creations, the history is not so linear. Matt Moore, Southern Living, 13 Jan. 2026 Impressively, Newcastle have reached mid-January still fighting — and, in a roundabout way, even (arguably) thriving — on all four fronts, albeit in a non-linear and rarely convincing fashion. Chris Waugh, New York Times, 12 Jan. 2026 See All Example Sentences for linear

Word History

First Known Use

circa 1656, in the meaning defined at sense 1a(1)

Time Traveler
The first known use of linear was circa 1656

Browse Nearby Words

Cite this Entry

“Linear.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/linear. Accessed 15 Jan. 2026.

Kids Definition

linear

adjective
lin·​ear
ˈlin-ē-ər
1
a
: relating to, consisting of, or resembling a line : straight
b
: involving a single dimension
c
: of, relating to, based on, or being linear equations or linear functions
2
: long and uniformly narrow
the linear leaf of the hyacinth
linearity
ˌlin-ē-ˈar-ət-ē
noun
linearly
ˈlin-ē-ər-lē
adverb

Medical Definition

linear

adjective
lin·​ear ˈlin-ē-ər How to pronounce linear (audio)
: of, relating to, or resembling a line
linearity noun
plural linearities
linearly adverb

More from Merriam-Webster on linear

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