Dictionary

cosmonaut en · NOUN

Pronunciation

• (US) audio
• (Southern-England) audio
• /ˈkɒz.məˌnɔːt/ (Received-Pronunciation)
• /ˈkɑz.məˌnɑt/ (cot-caught-merger)
• /ˈkɑz.məˌnɔt/ (General-American)
• kŏz'mənôt

Etymology

Borrowed from Russian космона́вт (kosmonávt), from Ancient Greek κόσμος (kósmos, “universe”) + ναύτης (naútēs, “sailor”). By surface analysis, cosmo- + -naut.

Meanings

1. An astronaut, especially a Russian or Soviet one.
   • Khrushchev’s answer came 60 years ago, on April 12, 1961, when Soviet cosmonaut Yuri Gagarin circled the Earth aboard a spacecraft called Vostok 1. 2021 April 12, Gregory McNamee, “This Soviet cosmonaut was the first human in orbit — fueling the space race”, in CNN:
   • Longtime NASA astronaut Don Pettit, who has ventured to space four times, returned to Earth on Saturday night from the International Space Station. Pettit, who turned 70 on Sunday, landed at 9:20 p.m. ET in a Soyuz spacecraft with Roscosmos cosmonauts Alexey Ovchinin and Ivan Vagner near Zhezkazgan, Kazakhstan, after a seven-month stay aboard the orbiting laboratory. 2025 April 19, Ashley Strickland, “An astronaut’s awe-inspiring views from life in space”, in CNN:

Forms

Deriveds

dogmonaut · cosmonautics · cosmonautical · cosmonette · cosmonautic

Relateds

taikonaut · astronaut · spationaut · vyomanaut · cosmos · aeronaut

Translations (65)

tr astronot (an astronaut, especially a Russian or Soviet one — see also astronaut) · he קוסמונאוט (an astronaut, especially a Russian or Soviet one — see also astronaut) · et kosmonaut (an astronaut, especially a Russian or Soviet one — see also astronaut) · el κοσμοναύτης (an astronaut, especially a Russian or Soviet one — see also astronaut) · vi phi hành gia (an astronaut, especially a Russian or Soviet one — see also astronaut) · cmn 宇航員 /宇航员 (an astronaut, especially a Russian or Soviet one — see also astronaut) · lt kosmonautė (an astronaut, especially a Russian or Soviet one — see also astronaut) · hu kozmonauta (an astronaut, especially a Russian or Soviet one — see also astronaut) · th นักบินอวกาศ (an astronaut, especially a Russian or Soviet one — see also astronaut) · nv wótááhgóó ałnááʼáłtʼahí (an astronaut, especially a Russian or Soviet one — see also astronaut) · ko 우주비행사 (an astronaut, especially a Russian or Soviet one — see also astronaut) · ky учурчу (an astronaut, especially a Russian or Soviet one — see also astronaut) · io kosmonauto (an astronaut, especially a Russian or Soviet one — see also astronaut) · kw stervarner (an astronaut, especially a Russian or Soviet one — see also astronaut) · sv kosmonaut (an astronaut, especially a Russian or Soviet one — see also astronaut) · bg космона́вт (an astronaut, especially a Russian or Soviet one — see also astronaut) · nl kosmonaute (an astronaut, especially a Russian or Soviet one — see also astronaut) · kw stervarnores (an astronaut, especially a Russian or Soviet one — see also astronaut) · uk космона́вт (an astronaut, especially a Russian or Soviet one — see also astronaut) · nl kosmonaut (an astronaut, especially a Russian or Soviet one — see also astronaut) · it cosmonauta (an astronaut, especially a Russian or Soviet one — see also astronaut) · ja コスモノート (an astronaut, especially a Russian or Soviet one — see also astronaut) · pl kosmonautka (an astronaut, especially a Russian or Soviet one — see also astronaut) · cmn 宇宙飛行員 /宇宙飞行员 (an astronaut, especially a Russian or Soviet one — see also astronaut) · cmn 太空人 (an astronaut, especially a Russian or Soviet one — see also astronaut) · sh astronaut (an astronaut, especially a Russian or Soviet one — see also astronaut) · fr cosmonaute (an astronaut, especially a Russian or Soviet one — see also astronaut) · ms kosmonaut (an astronaut, especially a Russian or Soviet one — see also astronaut) · az kosmonavt (an astronaut, especially a Russian or Soviet one — see also astronaut) · ca cosmonauta (an astronaut, especially a Russian or Soviet one — see also astronaut) · pl astronautka (an astronaut, especially a Russian or Soviet one — see also astronaut) · hi अंतरिक्ष यात्री (an astronaut, especially a Russian or Soviet one — see also astronaut) · hy տիեզերագնաց (an astronaut, especially a Russian or Soviet one — see also astronaut) · ro cosmonaută (an astronaut, especially a Russian or Soviet one — see also astronaut) · yi קאָסמאָנויט (an astronaut, especially a Russian or Soviet one — see also astronaut) · de Kosmonaut (an astronaut, especially a Russian or Soviet one — see also astronaut) · tr kozmonot (an astronaut, especially a Russian or Soviet one — see also astronaut) · gl cosmonauta (an astronaut, especially a Russian or Soviet one — see also astronaut) · vi nhà du hành vũ trụ (an astronaut, especially a Russian or Soviet one — see also astronaut) · lt kosmonautas (an astronaut, especially a Russian or Soviet one — see also astronaut) · pl astronauta (an astronaut, especially a Russian or Soviet one — see also astronaut) · eo kosmonaŭto (an astronaut, especially a Russian or Soviet one — see also astronaut) · fi kosmonautti (an astronaut, especially a Russian or Soviet one — see also astronaut) · sh астронаут (an astronaut, especially a Russian or Soviet one — see also astronaut) · ru космона́вт (an astronaut, especially a Russian or Soviet one — see also astronaut) · ar رَائِد فَضَاء (an astronaut, especially a Russian or Soviet one — see also astronaut) · cmn 航天員 /航天员 (an astronaut, especially a Russian or Soviet one — see also astronaut) · es cosmonauta (an astronaut, especially a Russian or Soviet one — see also astronaut) · sh космонаут (an astronaut, especially a Russian or Soviet one — see also astronaut) · he קוסמונאוטית (an astronaut, especially a Russian or Soviet one — see also astronaut) · be касмана́ўт (an astronaut, especially a Russian or Soviet one — see also astronaut) · ja 宇宙飛行士 (an astronaut, especially a Russian or Soviet one — see also astronaut) · ka კოსმონავტი (an astronaut, especially a Russian or Soviet one — see also astronaut) · tl malimayaw (an astronaut, especially a Russian or Soviet one — see also astronaut) · pt cosmonauta (an astronaut, especially a Russian or Soviet one — see also astronaut) · mn сансрын нисэгч (an astronaut, especially a Russian or Soviet one — see also astronaut) · tr fezagir (an astronaut, especially a Russian or Soviet one — see also astronaut) · fa فضانورد (an astronaut, especially a Russian or Soviet one — see also astronaut) · ar رَجُل فَضَاء (an astronaut, especially a Russian or Soviet one — see also astronaut) · ro cosmonaut (an astronaut, especially a Russian or Soviet one — see also astronaut) · pl kosmonauta (an astronaut, especially a Russian or Soviet one — see also astronaut) · cs kosmonaut (an astronaut, especially a Russian or Soviet one — see also astronaut) · ar مَلَّاح فَضَائِيّ (an astronaut, especially a Russian or Soviet one — see also astronaut) · tr uçurcu (an astronaut, especially a Russian or Soviet one — see also astronaut) · sh kosmonaut (an astronaut, especially a Russian or Soviet one — see also astronaut)