1. quickly fading away; vanishing like vapor
Usage: formal

Examples

• The morning mist was evanescent, disappearing as soon as the sun rose.
• Her evanescent smile vanished the moment she saw the test results.
• The soap bubbles were beautiful but evanescent, popping within seconds.
• Fame can be evanescent, lasting only as long as public interest remains.
• The evanescent fragrance of the flowers filled the air briefly.
• His evanescent hope of winning the lottery quickly faded.
• The rainbow was evanescent, visible for just a few minutes after the storm.