astronautical

or as·tro·nau·tic

[ as-truh-naw-ti-kuh l, -not-i- or as-truh-naw-tik, -not-ik ]
/ ˌæs trəˈnɔ tɪ kəl, -ˈnɒt ɪ- or ˌæs trəˈnɔ tɪk, -ˈnɒt ɪk /

adjective

of or relating to astronautics or astronauts.

Origin of astronautical

astronautic (< French astronautique, equivalent to astronaute (astro- astro- + -naute < Greek naútēs sailor, on the model of aéronaute aeronaut) + -ique -ic) + -al1

OTHER WORDS FROM astronautical

as·tro·nau·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019