rara avis
C2Formal, literary, academic
Definition
Meaning
A rare or exceptional person or thing; someone or something unique and seldom encountered.
Used to describe an individual or object that is one of a kind, often possessing extraordinary qualities that set them apart from the ordinary or common; a true anomaly.
Linguistics
Semantic Notes
The term is a direct loan phrase from Latin, meaning 'rare bird'. It inherently carries a tone of appreciation, admiration, or sometimes intellectual detachment. It is rarely used in a purely negative sense but can imply being an outsider. Almost always used as a singular countable noun, typically in the form 'a rara avis'.
Dialectal Variation
British vs American Usage
Differences
No significant usage differences in meaning or grammar. The phrase is equally Latinate in both varieties.
Connotations
In both varieties, it connotes erudition and a classical education. Slightly more likely to be encountered in British literary or journalistic contexts, but the difference is marginal.
Frequency
Very low frequency in both, but perhaps slightly more established in British English due to stronger historical ties to classical education. Remains a niche, high-register term everywhere.
Vocabulary
Collocations
Grammar
Valency Patterns
[Subject] be/consider/find [Object] a rara avisA rara avis like [Noun Phrase]He/She is that rara avis, a [descriptive noun phrase]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “As rare as a rara avis”
Usage
Context Usage
Business
Used to describe a uniquely honest CEO or a perfectly balanced merger, e.g., 'In the world of venture capital, a founder with both technical genius and humility is a true rara avis.'
Academic
Common in literary criticism, history, or philosophy to describe a unique text, thinker, or historical figure. 'The manuscript is a rara avis, combining mystical theology with empirical observation.'
Everyday
Virtually never used in casual conversation. Its use would be intentionally playful or ironic among highly educated friends.
Technical
Not used in STEM fields. May appear in specific humanities sub-disciplines like philology or classical studies.
Examples
By CEFR Level
- A politician who admits their mistakes is a rara avis.
- In the mass-produced world, a handcrafted item like this is a rara avis.
- The scholar was a rara avis: a brilliant theoretician who could also explain complex ideas with captivating clarity.
- Finding a first edition in such pristine condition is the bibliophile's rara avis.
Learning
Memory Aids
Mnemonic
Imagine a rare (RARA) Avis rental car that is the only one of its model in the world—a 'rare Avis' is a unique find.
Conceptual Metaphor
UNIQUENESS IS RARITY (A unique person is a rare bird).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not translate literally as 'редкая птица' in most contexts, as it sounds like a zoological observation. The Russian equivalent in meaning is 'уникальное явление', 'редкий экземпляр', or 'белая ворона' (with a more negative connotation).
- Avoid using it as a direct, unmarked substitute for 'редкость'; it is far more specific and literary.
Common Mistakes
- Pluralising incorrectly ('raras avis' or 'rara avises'). The correct Latin plural is 'rarae aves', but it is almost never used in English; rephrase to 'specimens of a rara avis'.
- Using it as an adjective, e.g., 'a rara avis event' (incorrect). It is a noun phrase.
- Mispronouncing 'avis' as /ˈævɪs/ (like the car) instead of /ˈeɪvɪs/.
Practice
Quiz
In which context would the use of 'rara avis' be MOST appropriate?
FAQ
Frequently Asked Questions
No, it is a high-register, literary term. Using it in casual conversation would sound pretentious or deliberately ironic.
The technically correct Latin plural is 'rarae aves'. However, in English, it is almost never pluralised. It is more natural to use a phrase like 'they are a rara avis' or 'examples of a rara avis'.
Yes, it can describe any rare and exceptional thing, from a painting to a scientific discovery, though it is most frequently applied to people.
Typically not. It usually carries admiration or wonder. However, it can imply someone is an outsider or doesn't fit in, which could be interpreted negatively in some contexts, but the primary sense is of valued rarity.