astronomical

/ˌæs.tɹəˈnɒm.ɪ.kəl/

//ˌæs.tɹəˈnɒm.ɪ.kəl// adj

By · According to Wiktionary data (CC BY-SA) ·

"astronomical" is a 12-letter English headword indexed on PlainSpell.

The verdict

“astronomical” is a moderately-common English word, ranked #15,098 in English word frequency and used as an adjective.

#15,098
frequency rank, English
12
letters
18
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Of or relating to astronomy.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

astronomical vs astrological
83% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for astronomical
PropertyValue
Headwordastronomical
LanguageEnglish
Part of speechAdjective
IPA/ˌæs.tɹəˈnɒm.ɪ.kəl/
Letters12
Frequency rank#15,098
Misspellings tracked18
Confusable pairs1
SourceWiktionary (kaikki.org)

Where “astronomical” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). astronomical lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for astronomical is 12 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ˌæs.tɹəˈnɒm.ɪ.kəl/. Corpus data places it at rank #15,098 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 18 likely wrong-spelling variants for astronomical, with forms such as "asrtonomical", "asstronomical", and "astornomical". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 1 confusable-pair relationship, "astrological", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Attested since at least 1550, from Middle French astronomique or directly from Latin astronomicus, from Ancient Greek ἀστρονομικός (astronomikós). The correct English form is astronomical, spelled A-S-T-R-O-N-O-M-I-C-A-L.

Definition

  1. 1
    Of or relating to astronomy.
  2. 2
    Very large; of vast measure.

Etymology

Attested since at least 1550, from Middle French astronomique or directly from Latin astronomicus, from Ancient Greek ἀστρονομικός (astronomikós).

Synonyms

astronomic

This word in other languages

astronómico(Español)astronomique(Français)astronomisch(Deutsch)astronômico(Português)

Common misspellings

Also misspelled as: asrtonomical,asstronomical,astornomical,astrnoomical,astronmoical,astronnomical,astronoimcal,astronomcial,astronomiacl,astronomicall,astronomiccal,astronomicla,astronommical,astroonmical,astrronomical,asttronomical,atsronomical,satronomical

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of astronomical - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

asrtonomical2asstronomical1astornomical2astrnoomical2astronmoical2astronnomical1astronoimcal2astronomcial2
Edit distance from "astronomical"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "astronomical"?
"astronomical" is spelled A-S-T-R-O-N-O-M-I-C-A-L. The IPA pronunciation is /ˌæs.tɹəˈnɒm.ɪ.kəl/.
What does "astronomical" mean?
As an adjective, "astronomical" means: Of or relating to astronomy.
What words are commonly confused with "astronomical"?
"astronomical" is commonly confused with "astrological". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "astronomical"?
The IPA (International Phonetic Alphabet) transcription for "astronomical" is /ˌæs.tɹəˈnɒm.ɪ.kəl/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "astronomical"?
Attested since at least 1550, from Middle French astronomique or directly from Latin astronomicus, from Ancient Greek ἀστρονομικός (astronomikós). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “astronomical”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is A-S-T-R-O-N-O-M-I-C-A-L - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌæs.tɹəˈnɒm.ɪ.kəl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “astrological” - see the side-by-side comparison. astronomical vs astrological
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list