1. lasting for only a very short time

Examples

• There was a momentary silence before the crowd erupted in cheers.
• The power outage caused only a momentary disruption to our work.
• She felt a momentary pang of regret about her decision.
• The momentary lapse in concentration cost him the game.
• A momentary flash of lightning illuminated the dark sky.
• His momentary hesitation gave his opponent the advantage.