1. plural of lastingness; the quality or state of enduring or persisting over time
Usage: abstract noun, typically used in formal or academic contexts

Examples

• The lastingnesses of different materials vary greatly depending on their composition.
• Philosophers debated the lastingnesses of human relationships and their true value.
• The architect considered the lastingnesses of various building materials before making a final choice.
• We admired the lastingnesses of the ancient structures that had survived centuries.
• The study examined the lastingnesses of different social movements throughout history.