rocket science

noun

The verdict

“rocket science” is uncommon French (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency French
14
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Branche de l'ingénierie spatiale spécialisée dans les fusées.

Corpus desk

Index FR-rocket-science · rocket science · French

rocket science · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 14 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "R" thin
  • PHOTO-UNK Peer pending

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.

Key facts for rocket science
PropertyValue
Headwordrocket science
LanguageFrench
Part of speechNoun
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « rocket science » en français

rocket sciencen'entre pas dans le top 100.000 du français: zone de termes techniques, archaïques ou rares.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

rocket science is uncommon French outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for rocket science, and the word's spelling is regular enough that our generator found nothing worth flagging. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

This entry's etymology isn't recorded, so its spelling is best read as a straightforward mapping from sound to letter. The correct French form is rocket science, spelled R-O-C-K-E-T- -S-C-I-E-N-C-E.

Definition

  1. 1
    Branche de l'ingénierie spatiale spécialisée dans les fusées.
  2. 2
    (Principalement utilisé dans une phrase négative) Se dit de quelque chose de très complexe ou confus.

Recorded use

Wiktionary examples

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

  1. It's not rocket science.
  2. You don't need any sci-fi or rocket science knowledge of Python (no prior knowledge of image processing, data processig, etc.) to dive into the ocean of Regular Expression.

Synonyms

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "rocket science"?
"rocket science" is spelled R-O-C-K-E-T- -S-C-I-E-N-C-E.
What does "rocket science" mean?
As a noun, "rocket science" means: Branche de l'ingénierie spatiale spécialisée dans les fusées.
What language does "rocket science" come from?
"rocket science" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

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

Source: FrequencyWords open word-frequency list