DEFINITIONS

cosmonaut

[ koz-muh-nawt, -not ]
/ ˈkɒz məˌnɔt, -ˌnɒt /
SEE SYNONYMS FOR cosmonaut ON THESAURUS.COM

noun

a Russian or Soviet astronaut.

Words related to cosmonaut

pilot, rocketeer

Words nearby cosmonaut

cosmological argument, cosmological constant, cosmological principle, cosmological redshift, cosmology, cosmonaut, cosmonautics, cosmopolis, cosmopolitan, cosmopolitanize, cosmopolite

Origin of cosmonaut

1955–60; cosmo- + (aero)naut, representing Russian kosmonávt

OTHER WORDS FROM cosmonaut

cos·mo·nau·tic, adjectivecos·mo·nau·ti·cal·ly, adverb

WORDS THAT MAY BE CONFUSED WITH cosmonaut

astronaut cosmonaut
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for cosmonaut

cosmonaut
/ (ˈkɒzməˌnɔːt) /

noun

an astronaut, esp in the former Soviet Union

Word Origin for cosmonaut

C20: from Russian kosmonavt, from cosmo- + Greek nautēs sailor; compare Argonaut
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Culture definitions for cosmonaut

cosmonaut

A crew member of a space mission launched by the former Soviet Union.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.