astronaut
Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.
Letters
9 characters
Language
English
word origin
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Detailed reference entry for the English word "astronaut", 9-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Hunspell error dictionaries, and usage frequency ranked against the top 100,000 English words in the Wordfreq corpus. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "astronaut" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "astronaut" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.
astronaut is aEnglishnoun. It means: A member of the crew of a spaceship or other spacecraft that travels beyond Earth's atmosphere, or someone trained to serve that purpose. Pronounced /ˈæstɹəˌnɔːt/.
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Browse all word comparisons →| Property | Value |
|---|---|
| Headword | astronaut |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈæstɹəˌnɔːt/ |
| Letters | 9 |
| Frequency rank | #12,907 |
| Misspellings tracked | 13 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Frequency rank visualization
Spelling & Dictionary Insight
The English entry for astronaut is 9 letters long, classified as anoun, and transcribed in the International Phonetic Alphabet as /ˈæstɹəˌnɔːt/. Corpus data places it at rank #12,907 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it.Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
Our Hunspell-derived misspelling index lists 13 documented wrong-spelling variants for astronaut, with forms such as "asrtonaut", "asstronaut", and "astornaut". Each variant represents a distinct typo pattern that appears often enough in corpora to be worth flagging, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution.It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From astro- + -naut. Coined from Ancient Greek ἄστρον (ástron, “star”) and ναύτης (naútēs, “sailor”). Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is astronaut, spelled A-S-T-R-O-N-A-U-T, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.
Definition
- 1A member of the crew of a spaceship or other spacecraft that travels beyond Earth's atmosphere, or someone trained to serve that purpose.
- 2A member of the crew of a spaceship or other spacecraft that travels beyond Earth's atmosphere, or someone trained to serve that purpose.
- 3A person (typically man) working abroad away from their family.
Etymology
From astro- + -naut. Coined from Ancient Greek ἄστρον (ástron, “star”) and ναύτης (naútēs, “sailor”).
Synonyms
This word in other languages
Common misspellings
Also misspelled as: asrtonaut,asstronaut,astornaut,astrnoaut,astroanut,astronatu,astronautt,astronnaut,astronuat,astrronaut,asttronaut,atsronaut,satronaut
Misspelling Pattern Breakdown
Relative frequency of common misspelling types for astronaut
Misspelling Variants of "astronaut"
Frequency rank: #12,907 in English
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Nearby English words
Other entries that begin with the letter A in our English index: