What does appose mean?
Appose is a verb meaning to place one thing directly beside or against another, usually so that the two surfaces are in contact. It is most at home in technical contexts: biologists speak of closely apposed cell membranes, and surgeons appose the edges of a wound when closing it. The word derives from the Latin apponere, 'to place near or upon', sharing its root with words like compose, deposit, and position. Despite its obscurity, it belongs to a recognizable family — its noun form is apposition, and the adjective apposite means strikingly relevant or apt. Appose should not be confused with oppose, which means to resist or stand against; the two differ by a single letter yet describe nearly opposite relationships between things. For readers who enjoy precise vocabulary, appose offers an exact term for the act of bringing things into immediate physical proximity.
verbTo place something close to or alongside something else, typically so that the two things are in contact or positioned face to face; in biology, to bring surfaces or structures into direct contact with one another.
- To place two things side by side or in contact with each other, especially so their surfaces touch.
- (Biology/medicine) To bring tissues, membranes, or structures into direct physical contact, as in wound closure.
"The surgeon carefully apposed the edges of the incision before closing the wound."
"The mason apposed the new bricks flush against the old wall so no gap remained."
"During suturing, the surgeon apposed the skin margins to promote clean healing."
Change one letter and 'appose' flips from fighting something to pressing it gently against something else.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of appose
Appose comes from the Latin verb apponere, formed from ad- ('toward') plus ponere ('to place'), meaning to place near or set against. It entered English in the late 16th or early 17th century, largely through learned and scientific writing. It shares this Latin root with a wide family of placement words, including compose, deposit, postpone, and position, as well as its own derivatives apposition and apposite.
Related word forms
How appose is actually used
A rare, technical word found chiefly in scientific, medical, and biological writing, where precision about physical contact matters. It is formal rather than conversational, and ordinary English speakers will more often encounter its relatives 'apposition' and 'apposite' than the verb itself.
Easily confused with appose
Oppose means to be against or resist something, while appose means to place things physically side by side or in contact — they differ by a single letter but are nearly opposite in spirit.