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

Onscreen, Maddy is seated with a direct line of sight to Cassie and Nate during the newlyweds’ first dance, which, unbeknownst to Maddy and the other attendees, happens directly after Naz confronts Nate about his shady business dealings. —Zoe Papelis, Vulture, 27 Apr. 2026

This included enlarging cabin windows into observation viewports and carving open portals into the belly of the fuselage, allowing high-tech sensors and remote-sensing instruments a clear line of sight to the world below. —Mrigakshi Dixit, Interesting Engineering, 24 Apr. 2026

Based on its current customer list, Arm has a line of sight to more than $1 billion in chip demand over the next two years. —Jeff Marks, CNBC, 20 Apr. 2026

King even recalled a time her own dog, Oliver, crossed into the Queen's line of sight. —Zoey Lyttle, PEOPLE, 19 Apr. 2026

Word History

First Known Use

1559, in the meaning defined at sense 1

Rhymes for line of sight

• actinolite
• adipocyte
• amphibolite
• anorthosite
• anthophyllite
• aragonite
• carbonatite
• cassiterite
• cristobalite
• crocidolite
• diatomite
• dithionite

Medical Definition

line of sight

noun

1

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

2

: line of vision