What does apposition mean?
Apposition is the act of placing one element directly beside another so that they stand together as equals, most familiarly in grammar, where a noun or noun phrase is set next to another to identify or explain it: in 'my neighbour, a retired judge, waved hello,' the phrase 'a retired judge' is in apposition to 'my neighbour.' The two elements share the same grammatical role and refer to the same person or thing, allowing writers to add information smoothly without a separate clause. Beyond language, the term appears in biology and medicine, describing surfaces brought into close contact, such as bone fragments aligned during healing or layers added to a growing cell wall. Derived from Latin roots meaning 'to place near,' apposition is a precise, neutral term valued by grammarians, editors, and scientists alike for describing this side-by-side relationship.
nounThe placing of a word or phrase next to another to describe or identify it, the two elements having the same grammatical function; also, in biology, the contact of opposing surfaces such as cell walls or teeth.
- Grammar: the placement of a noun, noun phrase, or other element beside another of the same function so that one explains or identifies the other (e.g. 'my brother, a keen cyclist').
- Biology: the growth of a cell wall by the addition of new layers on its inner surface; more generally, the bringing of surfaces into contact, as in the apposition of fractured bone ends or of opposing teeth.
"In the sentence 'my brother, a keen cyclist, lives in Leeds,' the phrase 'a keen cyclist' stands in apposition to 'my brother.'"
"In 'Queen Elizabeth, the reigning monarch, opened parliament,' the phrase 'the reigning monarch' is in apposition to 'Queen Elizabeth.'"
"The surgeon achieved precise apposition of the fractured bone fragments before securing them with plates."
The plural is uncommon; it appears mainly in anatomical or surgical texts referring to multiple instances of surface contact or alignment.
"The radiograph confirmed proper appositions at both fracture sites."
Every time you write 'my friend, the doctor,' you're using a rhetorical trick that Latin grammarians formalized nearly two thousand years ago.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of apposition
Apposition derives from Latin 'appositio,' meaning 'a placing near,' formed from 'appositus,' the past participle of 'appōnere' ('to place near or upon'), itself built from 'ad-' ('toward') plus 'pōnere' ('to put or place'). It entered English in the early 15th century, initially in scholastic and logical use, before becoming established in grammar and rhetoric. The verb 'pōnere' also underlies a wide family of English words including compose, deposit, expose, and suppose, all of which preserve the core idea of placing or setting something.
Related word forms
How apposition is actually used
Apposition is primarily a technical term used in grammar, rhetoric, linguistics, and medicine; it rarely appears in casual conversation. In grammar writing, an element in apposition is often called an 'appositive.' The biological sense is common in anatomy and histology contexts. The word carries no emotional connotation — it is neutral and descriptive.
Easily confused with apposition
Opposition means resistance or being placed against something, whereas apposition means placing two things side by side, typically so one identifies or describes the other.
Juxtaposition is the general act of placing things side by side for contrast or comparison, while apposition is specifically a grammatical relationship in which two adjacent elements share the same syntactic function and refer to the same thing.