line of sight

noun phrase

1
: a line from an observer's eye to a distant point
2
: the line between two points
specifically : the straight path between a transmitting antenna (as for radio or television signals) and a receiving antenna when unobstructed by the horizon

Examples of line of sight 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.
When a female visits, the male throws objects into her line of sight while flaunting his colorful plumage. Mrigakshi Dixit, Interesting Engineering, 2 June 2026 The Morneaults maintain an apartment at the Revel in downtown, with a clear line of sight to the old store, farther south on Trumbull Street. Kenneth R. Gosselin, Hartford Courant, 29 May 2026 Executives are being asked to approve continuous waves of transformation without a clear line of sight into what genuinely improves performance and what merely adds complexity. Kim Bozzella, Forbes.com, 26 May 2026 The investigation determined that Castillo used his control panel to unlock the third inmate’s cell, and in his line of sight, the pair pulled open the door, entered the cell and proceeded to punch and kick the victim. Robert Salonga, Mercury News, 19 May 2026 See All Example Sentences for line of sight

Word History

First Known Use

1559, in the meaning defined at sense 1

Time Traveler
The first known use of line of sight was in 1559

Browse Nearby Words

Cite this Entry

“Line of sight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/line%20of%20sight. Accessed 10 Jun. 2026.

Medical Definition

line of sight

noun
1
: a line from an observer's eye to a distant point
2
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