jumps the gun

Acts too soon

To jump the gun is to act prematurely—starting before the proper signal or rushing ahead of the right moment.

The phrase comes from racing, where a runner who moves before the starting pistol fires has jumped the gun.

Don't jump the gun on announcing the results until all votes are counted.

Related

eagerness · rashness · misjudgment · misfire · trigger-happy · pulled the trigger · anticipate · overstep · error · impulsiveness · knee jerk reaction · urgency · starter pistol · off to the races · setback · restlessness · fallout · agitation

Opposites
timing/patience

jumps the gunbides one's time

Delays action strategically

holds off · holds one's horses · holds back · sits tight · hangs back

deliberation/process

jumps the gundeliberates

Thinks carefully before deciding

errs on the side of caution · overthinks · second-guesses · hedges

deliberation and process

jumps the gundue diligence

Pre-transaction reasonable care

errs on the side of caution · hedges one's bets · dots the i's and crosses the t's · analysis paralysis

Family

jump, jumps, jumped, jumping, jumper, jumpers, guns, gunned, gunning

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G