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Idiom

jump the gun

idiom (verb phrase) B2
/ˌdʒʌmp ðə ˈɡʌn/

Meanings

idiom (verb phrase)

To start or act too soon, before the appropriate time or signal.

Visual cue for jump the gun — meaning 1
idiom (verb phrase)

To make a decision or announcement before having all the necessary facts or approval.

Visual cue for jump the gun — meaning 2

Definition

To act too early, before the right time or before you have enough information.

To jump the gun means to do something prematurely, often before plans are confirmed or before you are fully prepared. It suggests impatience or rushing ahead of others. The result can be confusion, mistakes, or wasted effort because the timing was wrong.

Examples

  • I think you’re jumping the gun by booking flights before the dates are confirmed.
  • She jumped the gun and apologized before she even knew what happened.
  • Don’t jump the gun; wait until the manager approves the budget.
  • They jumped the gun and started building before the permit arrived.