The phrase "plump up" is often used to describe adding volume to something, such as pillows or a sandwich. The word "plump" is pronounced /plʌmp/ in IPA phonetic transcription, with a short "u" sound. The "p" and "l" sounds are pronounced separately, with a puff of air between them. The addition of "up" does not change the pronunciation of "plump," but adds the voiced bilabial consonant /b/ and a short "ʌ" vowel sound before the final consonant cluster /mp/. Together, the phrase is pronounced /plʌmp ʌp/.
The phrase "plump up" is a colloquial expression that can be used in various contexts, but generally refers to the act of making something or someone appear fuller or larger. It is commonly used in relation to people trying to gain weight or enhance their physical appearance, as well as in regards to certain objects or material being given a more voluminous appearance. Additionally, "plump up" can also carry figurative connotations, pertaining to the act of improving or enhancing something in order to make it more appealing or attractive.
In terms of physical appearance, "plump up" often implies increasing body weight, particularly in a way that enhances or rounds out certain areas. It can refer to gaining weight through a combination of increased calorie intake and exercise, with the goal of improving overall body shape or contours. This can also apply to specific body parts, such as plumping up one's lips through the use of cosmetic procedures or products.
Beyond the realm of physical appearances, "plump up" can also be used metaphorically to describe the act of enhancing or improving something. For example, in cooking, "plumping up" can refer to adding ingredients or techniques that increase the flavors or textures of a dish. Similarly, when it comes to furniture or pillows, "plumping up" can indicate the process of fluffing or reshaping to restore fullness and ensure comfort.
Overall, "plump up" denotes an action that augments the size or quality of something, whether it be regarding physical appearance, flavor, or overall appeal.
The word "plump" can be traced back to the early 15th century and has its origins in Middle English. It derives from the Old French word "plom" meaning "lead weight" or "ball of lead". This is due to the sense of "plumpness" or "fullness" resembling the roundness of a lead weight.
The addition of the word "up" in the phrase "plump up" serves as an intensifier, emphasizing the action of improving or increasing the fullness or plumpness of something. The usage of "up" in this context is common in English idiomatic expressions, emphasizing the completion or intensification of certain actions.