jam-up

A traffic jam-up blocks the highway during rush hour.

Definition

1. Noun:
   • A blockage or congestion: "jam-up" refers to a situation where movement is obstructed, typically involving people, vehicles, or objects, causing a standstill or delay.
   • A traffic jam: Specifically, it denotes a severe accumulation of vehicles that prevents smooth flow on roads.

Usage Examples

• Noun:
  • There was a major jam-up on the highway due to the accident. (A traffic congestion caused by a collision.)
  • The concert exit caused a jam-up at the doors. (A blockage of people trying to leave.)

Advanced Usage

• "to cause a jam-up": to create a situation of obstruction.

  • The broken-down truck caused a jam-up that lasted for hours. (The truck created a traffic blockage.)

• "to be stuck in a jam-up": to be unable to move due to congestion.

  • We were stuck in a jam-up for over an hour. (We were delayed by a traffic blockage.)

Variants and Related Words

• Jam (n): a crowded or blocked situation; also a fruit preserve.
  • The printer had a paper jam. (A blockage in the machine.)
• Up (adv): used as a particle to indicate completion or intensification (as in "jam-up").

Synonyms

• Gridlock: a complete traffic standstill.
• Snarl: a tangled or confused traffic situation.
• Congestion: an excessive accumulation causing blockage.

Phrasal Verbs

• Jam up: to cause or become blocked.
  • The protesters jammed up the streets. (They blocked the streets deliberately.)

Related Idioms

• In a jam: in a difficult or problematic situation.
  • He found himself in a jam when his car broke down. (He was in a difficult situation.)
• Jam session: an informal musical performance (not directly related, but shares the word "jam").