retroflex

/ˈɹɛt.ɹəʊ.flɛks/

//ˈɹɛt.ɹəʊ.flɛks// adj

"retroflex" is a 9-letter English headword indexed on PlainSpell.

The verdict

“retroflex” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Bent or curved backwards.

Corpus desk

Index EN-retroflex · retroflex · English

retroflex · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "R" thin
  • PHOTO-UNK Peer pending

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.

Key facts for retroflex
PropertyValue
Headwordretroflex
LanguageEnglish
Part of speechAdjective
IPA/ˈɹɛt.ɹəʊ.flɛks/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “retroflex” in English

retroflexfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

retroflex is uncommon English outside the top frequency list, classed as anadjective, transcribed /ˈɹɛt.ɹəʊ.flɛks/. Rarity is why readers land here mid-draft. 5 senses are on record.

No misspelling variants are generated for retroflex in our index, typically a sign the spelling maps closely to how the word sounds. This entry stands alone in our confusable dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From Latin rētrōflexus, the perfect participle of rētrōflectō (“bend, turn”), from flectō (“bend, turn”). The correct English form is retroflex, spelled R-E-T-R-O-F-L-E-X.

Definition

  1. 1
    Bent or curved backwards.
  2. 2
    Of pronunciation in which the tip of the tongue is raised and bent backwards, so that the underside of the tongue approaches or touches the palate.
  3. 3
    Of pronunciation in which the tip of the tongue approaches or touches the back of the alveolar ridge.
  4. 4
    Of pronunciation in which the blade of the tongue approaches or touches the back of the alveolar ridge.
  5. 5
    Of any of the aforementioned pronunciations.

Recorded use

Wiktionary example

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

  1. In the case of the Wubuy alveolar versus retroflex contrast for instance, we argue that the phonetic overlap is so great that native listeners can behave as if this were an instance of a good and a 'less good' instance of a single category (CG).

Etymology

From Latin rētrōflexus, the perfect participle of rētrōflectō (“bend, turn”), from flectō (“bend, turn”).

Synonyms

reflexedcerebralcacuminalsubapical palatalapical postalveolarlaminal postalveolarflat postalveolar

This word in other languages

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 "retroflex"?
"retroflex" is spelled R-E-T-R-O-F-L-E-X. The IPA pronunciation is /ˈɹɛt.ɹəʊ.flɛks/.
What does "retroflex" mean?
As an adjective, "retroflex" means: Bent or curved backwards.
How do you pronounce "retroflex"?
The IPA (International Phonetic Alphabet) transcription for "retroflex" is /ˈɹɛt.ɹəʊ.flɛks/. 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 "retroflex"?
From Latin rētrōflexus, the perfect participle of rētrōflectō (“bend, turn”), from flectō (“bend, turn”). 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.

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

Source: FrequencyWords open word-frequency list