rare bird

noun

"rare-bird" is a 8-letter English headword indexed on PlainSpell.

The verdict

“rare bird” is uncommon English (outside the top frequency list), classed as a noun. 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) - An unusual or exceptional person or thing.

Corpus desk

Index EN-rare-bird · rare bird · English

rare bird · 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 rare bird
PropertyValue
Headwordrare bird
LanguageEnglish
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “rare bird” in English

rare birdranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

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

Our edit-distance generator produced no likely misspellings for rare bird, 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, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: Calque of Latin rāra avis, part of a commonly quoted line from Juvenal's Satire VI: rara avis in terris nigroque simillima cygno ("a bird as rare upon the earth as a black swan"). The correct English form is rare bird, spelled R-A-R-E- -B-I-R-D.

Definition

  1. 1
    An unusual or exceptional person or thing.
  2. 2
    Used other than figuratively or idiomatically: see rare, bird.

Recorded use

Wiktionary examples

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

  1. An occasional Afghan makes a good bushman. These rare birds, with the help of natives, found that by winding in and out over the soft ground of the valleys they could bring a camel-train where no wheeled transport could go.
  2. Finds it more physical, that's an important word / Always seen first then heard / Such a rare bird

Etymology

Calque of Latin rāra avis, part of a commonly quoted line from Juvenal's Satire VI: rara avis in terris nigroque simillima cygno ("a bird as rare upon the earth as a black swan").

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 "rare bird"?
"rare bird" is spelled R-A-R-E- -B-I-R-D.
What does "rare bird" mean?
As a noun, "rare bird" means: An unusual or exceptional person or thing.
What is the origin of the word "rare bird"?
Calque of Latin rāra avis, part of a commonly quoted line from Juvenal's Satire VI: rara avis in terris nigroque simillima cygno ("a bird as rare upon the earth as a black swan"). See the full etymology section above for more details.
Is PlainSpell free to use?
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Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list