1. decreasing in size or intensity; waning
Usage: formal

Examples

• The decrescent moon appeared as a thin crescent in the early morning sky.
• The patient showed decrescent symptoms as the medication took effect.
• The decrescent tide left pools of water in the rocky crevices.
• Her decrescent enthusiasm for the project became obvious to everyone.
• The decrescent sound of the train whistle faded into the distance.
• Scientists observed the decrescent activity of the solar flares.