astronomically

adv

"astronomically" is a 14-letter English headword indexed on PlainSpell.

The verdict

“astronomically” is uncommon English (frequency #71,293 among 3,931 “A” headwords), classed as an adverb. The kind of spelling people second-guess.

#71,293
frequency rank, English
3,931
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of or relating to astronomy.

Corpus desk

Index EN-astronomically · astronomically · English

astronomically · rank #71,293 · 0 variants · 0 confusables

  • FREQ-RARE #71,293
  • LEN-MEGA 14 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH astrolabe

Nearest frequency peer: astrolabe (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “astronomically”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “astronomically” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for astronomically
PropertyValue
Headwordastronomically
LanguageEnglish
Part of speechAdverb
Letters14
Frequency rank#71,293
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “astronomically” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).astronomicallyfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “astrolabe” (#71,292), “Attleboro” (#71,294), “askari” (#71,291). Among 3,931 “A” headwords, “astronomically” is #71,293. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

astronomically is uncommon English at frequency #71,293 among 3,931 “A” headwords, classed as anadverb. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for astronomically in our index, which points to an orthography that plays by predictable English rules. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From astronomical + -ly. The correct English form is astronomically, spelled A-S-T-R-O-N-O-M-I-C-A-L-L-Y.

Definition

  1. 1
    Of or relating to astronomy.
  2. 2
    In the extreme, very (typically very large).

Recorded use

Wiktionary example

These source excerpts show how astronomically appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. The calculated answer was astronomically large.

Etymology

From astronomical + -ly.

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 "astronomically"?
"astronomically" is spelled A-S-T-R-O-N-O-M-I-C-A-L-L-Y.
What does "astronomically" mean?
As an adverb, "astronomically" means: Of or relating to astronomy.
What is the origin of the word "astronomically"?
From astronomical + -ly. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "astronomically", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 14 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list