What does jar mean?
“Jar” most commonly refers to a container, especially a glass or pottery vessel with a relatively wide opening and a lid. It is used for foods such as jam, honey, pickles, preserves, and sauces, and phrases such as “a jar of jam” are part of everyday English. The word also has a sound-based verb meaning: something jars when it moves with a sudden jolt, rattle, or vibration, and a person can be jarred by an unexpected or disturbing experience. In figurative use, “jar” suggests disruption, discomfort, or a sharp emotional shock. Together, its meanings connect the physical experience of a vessel being moved or shaken with the broader idea of something being unsettled. This range makes “jar” useful both for concrete household descriptions and for vivid figurative writing.
A rigid container, usually cylindrical and wide-mouthed, made of glass, pottery, metal, or plastic; also, a sudden harsh sound or movement.
"The shelf held a row of neatly labeled jars."
When referring to a sound, the noun is less common than the verb and often has a slightly literary or descriptive quality.
To jolt, shake, or rattle, especially with a sudden movement; figuratively, to shock or unsettle someone.
"The rough road jarred the glasses on the table."
The standard plural is “jars.”
"Several jars of sauce were stacked in the cupboard."
A jar can be something you fill, something you hear, and something that leaves you shaken.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does jar come from?
The noun is recorded in Middle English as “jarre,” borrowed from Anglo-French and Old French forms meaning a vessel. It ultimately comes from Medieval Latin “garia,” a coarse earthenware pot, whose more distant origin is uncertain. The verb developed from the idea of producing or experiencing a harsh, resonant, or jarring movement or sound.
Related word forms
How jar is actually used
The word is neutral in ordinary use for both the container and the meaning of jolting or unsettling. The container sense is especially familiar in British and American English, while the verb can sound somewhat literary or formal when used figuratively.