Synonyms of light-years

light-years

noun

plural of light-year

as in worlds

a huge physical or conceptual distance

my sister and I are close in age, but personality-wise, there are light-years between us

Synonyms & Similar Words

• worlds
• galaxies
• ways
• long hauls
• country miles
• infinities

Antonyms & Near Antonyms

• inches
• striking distances
• hairs
• hairbreadths
• stone's throws

Example Sentences

Recent Examples of light-years

The feature, nicknamed the Cat's Tail, extends out from the debris disk known as Beta Pictoris which is located in a planetary system located 63 light-years away. — Robert Lea, Space.com, 3 Nov. 2026

Also, these happen, on average, billions of light-years from us, so the energy is dissipated to far less than that of the beat of a bat’s wing on Earth. — Phil Plait, Scientific American, 30 Oct. 2026

In 2024, a separate team used these tools to create a continuous three-dimensional map of the density of the ISM’s dust inside a sphere more than 4,000 light-years wide around our sun. — Perri Thaler, Quanta Magazine, 30 Oct. 2026

According to Fuller, neutrinos can even travel through light-years of lead without stopping, depending on their energy. — Georgina Jedikovska, Interesting Engineering, 23 Oct. 2026

Ellen is also the principal of Sonny’s high school, and a warm-but-firm educator naturally evokes Tami Taylor, even if Oregon is thousands of miles and metaphorical light-years away from West Texas. — Alison Herman, Variety, 20 Oct. 2026