1. The plural of fleetingness; the quality or state of being fleeting; the condition of lasting only a short time.
Usage: Plural form; abstract noun; Often used in philosophical or literary contexts

Examples

• The fleetingnesses of childhood moments make us treasure them more deeply.
• She reflected on the fleetingnesses of happiness and how quickly joy can fade.
• The poet wrote about the fleetingnesses of beauty in nature.
• We must accept the fleetingnesses of life and live fully in the present.
• The fleetingnesses of these opportunities reminded him to act quickly.