Meanings
nounoceanaut (plural oceanauts)
plural oceanauts
- Someone who lives or does scientific work underwater.
Synonyms & antonyms
nouna skilled worker who can live in underwater installations and participate in scientific research
Similar
Broader
skilled workertrained worker
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From ocean + -naut, modelled on astronaut.
Full word history & related roots →Cite this entry
APA
oceanaut. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/oceanaut
MLA
“oceanaut.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/oceanaut. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “oceanaut,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/oceanaut.
Source: oceanaut on Wiktionary, CC BY-SA 4.0.