What does groundnut mean?
Groundnut is chiefly another word for the peanut, the seed of a tropical legume whose pods develop below ground. In British English it may name either the edible seed or the plant itself, while in North American English peanut is the usual term. The word is also common in South Asian agricultural contexts, where groundnut can refer to the crop as a whole and to groundnut oil. Its literal name reflects the unusual growth of the peanut plant: after pollination, the flower-bearing stalk bends toward the soil, and the pods develop underground. An older, informal British sense uses the word disparagingly for a person considered stupid, insignificant, or contemptible; this sense is now dated and should not be mistaken for the botanical one. Overall, groundnut is a useful regional and historical term, combining a literal description of the plant’s growth with a long-standing alternative name for a familiar food crop.
nounAn edible seed commonly known as a peanut, or the tropical leguminous plant that produces it. In dated informal British usage, it can also mean a person regarded as stupid, insignificant, or contemptible.
- The edible seed of the peanut plant, commonly called a peanut.
- The peanut plant itself, Arachis hypogaea, or the crop it produces.
- Dated British informal usage: a person regarded as stupid, insignificant, or contemptible.
"She bought a packet of salted groundnuts at the market."
"He bought a packet of salted groundnuts at the market."
"Farmers in the region rotate groundnut and cereal crops to improve the soil."
The regular plural is groundnuts, most often used for individual edible seeds or collections of them.
"The children ate groundnuts during the journey."
The peanut is a legume rather than a true nut—and its pods develop underground, earning the name groundnut.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does groundnut come from?
The word is an English compound of ground and nut, reflecting the underground development of the peanut’s pods. Its botanical sense developed from this literal description of where the pods grow rather than from any idea that the seed is a true botanical nut. The element ground also appears in related English formations such as groundwork, groundless, underground, and groundling.
Related word forms
How groundnut is actually used
In North American English, peanut is the usual and normally preferred term. Groundnut is common in British English and in South Asian agricultural contexts, where it may refer to the crop as a whole as well as to the seed. The older sense meaning a contemptible or insignificant person is dated, informal, and disparaging.
Easily confused with groundnut
The words normally refer to the same plant and seed, but peanut is the standard term in North American English, while groundnut is more common in British and South Asian usage.