astronaut
noun
a person engaged in or trained for spaceflight.
astronauts
-
pluralof astronaut.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The United States is competing with China in the race to land astronauts on the Moon before 2030, more than 50 years after humans first walked the lunar surface.
From Barron's ● Aug. 28, 2026
Long before astronauts reach the site, robotic spacecraft will deliver scientific instruments to study conditions on and around the Moon.
From Science Daily ● Aug. 11, 2026
Nasa astronauts Anil Menon and Jessica Meir ventured outside the International Space Station for a spacewalk on Thursday to install mounting hardware.
From BBC ● Aug. 6, 2026
When these materials slam into Earth's magnetic shield, they can knock out satellites, threaten astronauts -- and create colourful auroras in the skies of northern and southern latitudes.
From Barron's ● Aug. 5, 2026
They are not terrified astronauts floating in an endless atmosphere—they are just four ordinary explorers here on earth.
From "A Heart in a Body in the World" by Deb Caletti
