lunar

adjective

lu·​nar ˈlü-nər 

 also  -ˌnär

1

: crescent, lunate

who grasps the struggling heifer's lunar horns

—Alexander Pope

2

a

: of, relating to, or resembling the moon

lunar craters

a lunar landscape

b

: designed for use on the moon

lunar vehicles

3

: measured by the moon's revolution

lunar month

Examples of lunar in a Sentence

Recent Examples on the Web

The last time this lunar event occurred was August 2023, and the next super blue moons are projected for January and March of 2037. —Alexandra Banner, CNN, 19 Aug. 2024

In addition to time, the clock shows lunar and solar eclipses, the position of the constellations, and a perpetual calendar. —Christian Martinez, Robb Report, 19 Aug. 2024

The small outfit, which is one of TIME’s 100 Most Influential Companies of 2024, has big dreams, however—nothing short of working to establish a new lunar economy. —Jeffrey Kluger, TIME, 18 Aug. 2024

Why are we suddenly obsessed with the names of full moons? Oct. 4, 2023 October’s supermoon will be slightly closer than September, or the most super of the supermoons, said Noah Petro, a lunar reconnaissance orbiter project scientist at NASA’s Goddard Space Flight Center. —Grace Toohey, Los Angeles Times, 16 Aug. 2024

Word History

Etymology

Middle English, from Latin lunaris, from luna moon; akin to Latin lucēre to shine — more at light

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing lunar

• lunar caustic
• lunar eclipse
• lunar module
• lunar month

Kids Definition

lunar

adjective

lu·​nar ˈlü-nər 

1

: of, relating to, or resembling the moon

lunar craters

a lunar landscape

2

: measured by the moon's revolution

lunar month

Medical Definition

lunar

adjective

lu·​nar

ˈlü-nər also -ˌnär

: lunate