Table of Contents POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
THESAURUS
ROGET THESAURUS

WORDNET DICTIONARY

Noun astronaut has 1 sense

• astronaut(n = noun.person) cosmonaut, spaceman - a person trained to travel in a spacecraft; "the Russians called their astronauts cosmonauts"
is a kind of traveler, traveller
has particulars: spacewalker, armstrong, neil armstrong, gagarin, yuri alekseyevich gagarin, yuri gagarin, glenn, john glenn, john herschel glenn jr., alan bartlett shepard jr., alan shepard, shepard, tereshkova, valentina tereshkova, valentina vladmirovna tereshkova
Derived forms adjective astronautic₁, adjective astronautical₁

CIDE DICTIONARY

OXFORD DICTIONARY

THESAURUS

astronaut

Martian, adventurer, aeronaut, aeroplaner, aeroplanist, air pilot, airplanist, alien, alpinist, aviator, barnstormer, birdman, camper, captain, climber, cloud seeder, comers and goers, commercial pilot, commuter, copilot, cosmonaut, cosmopolite, crop-duster, cruiser, excursionist, explorer, fare, flier, globe-girdler, globe-trotter, goer, hajji, instructor, jet jockey, jet set, jet-setter, journeyer, licensed pilot, man from Mars, mariner, mountaineer, palmer, passenger, passerby, pathfinder, pilgrim, pilot, pioneer, planetary colony, rainmaker, rocket man, rocketeer, rubberneck, rubbernecker, sailor, sightseer, space crew, space traveler, spaceman, straphanger, stunt flier, stunt man, test pilot, tourer, tourist, trailblazer, trailbreaker, transient, traveler, trekker, tripper, viator, visiting fireman, voortrekker, voyager, voyageur, wayfarer, wingman, world-traveler

ROGET THESAURUS

astronaut

Mariner

N sailor, mariner, navigator, seaman, seafarer, seafaring man, dock walloper, tar, jack tar, salt, able seaman, A, B, man-of-war's man, bluejacket, galiongee, galionji, marine, jolly, midshipman, middy, skipper, shipman, boatman, ferryman, waterman, lighterman, bargeman, longshoreman, bargee, gondolier, oar, oarsman, rower, boatswain, cockswain, coxswain, steersman, pilot, crew, aerial navigator, aeronaut, balloonist, Icarus, aeroplanist, airman, aviator, birdman, man-bird, wizard of the air, aviatrix, flier, pilot, test pilot, glider pilot, bush pilot, navigator, flight attendant, steward, stewardess, crew, astronaut, cosmonaut, parachutist, paratrooper.

For further exploring for "astronaut" in Webster Dictionary Online