jam

jam · noun

imported

Definitions

noun

  1. 1.

    To squeeze or pack tightly into a space.

  2. 2.

    A sweet spread made from fruit and sugar boiled to a thick consistency.

  3. 3.

    A situation where movement is blocked; congestion.

  4. 4.

    To become stuck or blocked.

  5. 5.

    (Informal) A difficult situation.

  6. 6.

    To play music informally with others.

  7. 7.

    An informal gathering of musicians playing together.

Forms

plural: jams

Phrases & expressions

  • •
    in a jam — In a difficult situation
  • •
    jam session — An informal musical performance
  • •
    jam-packed — Extremely crowded

Related words

See also: jelly, preserve, traffic
Synonyms: congestion, jelly, preserve

Etymology

Origin uncertain. The food sense may be from jam (to squeeze), referring to the fruit being crushed. First recorded in the 18th century.