What does pinky mean?
“Pinky” most commonly means the little finger, the smallest finger at the outer edge of the hand. It is an informal term, especially common in North American English, although “pinkie” is also widely understood in British and Australian English. The word can also function as a dismissive label for someone considered very small or insignificant, and “pinky promise” describes a solemn assurance or promise made by joining little fingers. In everyday use, “pinky” has a familiar, often playful tone, making it more conversational than the formal “little finger.” Its short, memorable sound and association with childhood gestures have helped it remain a familiar part of informal English.
The little finger of the hand.
"The child held up her pinky and asked for a promise."
Informal; especially common in North American English. “Pinkie” is a common alternative, particularly in British English.
A person who is very small, weak, or insignificant, especially in the phrase “the pinky.”
"The newest member of the team was treated like the pinky."
Dismissive or derogatory when used of a person; usually informal.
A promise or assurance, especially one made by joining little fingers.
"She gave him a pinky and promised to return the book."
Usually appears in the phrase “pinky promise” and has an informal, often humorous tone.
The plural is commonly written with “-ies,” as in “pinkies.”
"The dancers linked their pinkies as they crossed the stage."
A pinky promise may be a childhood gesture, but the phrase has carried the weight of keeping one’s word for generations.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does pinky come from?
“Pinky” is a diminutive formation built on “pink,” with the suffix “-y” in its word-forming role. The word developed in the language of the fingers during the nineteenth century, when diminutive forms were commonly used for the smaller parts of the body. It is related in form and meaning to the spelling “pinkie,” which is particularly common in British English.
Related word forms
How pinky is actually used
“Pinky” is informal and most strongly associated with North American English. As a standalone expression meaning a small or insignificant person, it is usually derogatory or dismissive. “Pinky promise” is a familiar, often childish or humorous expression for a sincere promise, though it can also be used sincerely in informal speech.
Easily confused with pinky
“Pinky” and “pinkie” can both mean the little finger, but “pinky” is more common in North American English, while “pinkie” is especially common in British and Australian English.