Word.ws English Dictionary

Plural of astronaut

regular plural

The plural of astronaut is astronauts.

Forms of astronaut

Singularastronaut /ˈæstɹəˌnɔːt/
Pluralastronauts
Countablecountable

Astronauts in a sentence

  • Though from different social, economic, and political worlds, the astronauts and cosmonauts had much in common, both as professionals and human beings.2013, Edward Clinton Ezell, Linda Neuman Ezell, The Partnership: A NASA History of the Apollo-Soyuz Test Project, Courier Corporation, →ISBN
  • The American astronauts in the competing Mercury program may have joked about being “Spam in a can,” but it seems clear that Korolev wanted to have plenty of cosmonauts on hand in case another rocket blew up.2021 April 12, Gregory McNamee, “This Soviet cosmonaut was the first human in orbit — fueling the space race”, in CNN
  • NASA launched several unmanned rockets before launching any of the Mercury astronauts.From the entry launch
  • The astronauts were honored with a ticker tape parade when they returned to Earth.From the entry ticker-tape parade
  • Astronauts train for years before traveling to outer space.From the entry outer space

Meaning of astronaut

  1. noun A member of the crew of a spaceship or other spacecraft that travels beyond Earth's atmosphere, or someone trained to serve that purpose.
  2. noun An American space traveler, when contrasted against equivalent terms from other countries such as cosmonaut, taikonaut, spationaut, and vyomanaut.
  3. noun A person (typically man) working abroad away from their family.

Full definition of astronaut

Questions about the plural of astronaut

What is the plural of astronaut?
The plural of astronaut is astronauts.
Is astronaut countable?
Astronaut is a countable noun.

Source and license

Adapted from Wiktionary: astronaut (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of astronaut.” Word.ws, https://word.ws/plural/astronaut. Based on Wiktionary, CC BY-SA 4.0.