1. the action of turning something upward or over

1. present participle of upturn; turning upward or over

Examples

• The gardener was upturning the soil to prepare for planting.
• She noticed the upturning of leaves before the storm.
• The protesters were upturning tables in the square.
• The upturning of the boat left everyone in the water.
• He spent the morning upturning rocks to find insects.
• The upturning of traditional values concerned many parents.