1. present participle of dark; becoming dark or growing darker
Usage: often used in literary or poetic contexts

1. growing or becoming dark; tending toward darkness
Usage: archaic or literary usage

Examples

• The sky was darking as the storm approached.
• We hurried home as the evening was darking.
• The darking clouds gathered overhead.
• By sunset, the darking shadows stretched across the field.
• She watched the darking horizon with concern.