1. plural of constancy; the quality or state of being constant, faithful, or unwavering
Usage: typically used in formal or literary contexts
2. plural of constancy; unchanging or permanent features or elements
Usage: used in scientific, philosophical, or technical contexts

Examples

• The constancies of their friendship endured through decades of separation.
• Her constancies in principle made her a trusted leader.
• Physics relies on certain constancies, such as the speed of light.
• Despite life's challenges, he maintained the constancies of his values.
• The constancies observed in nature help scientists develop reliable theories.
• Their mutual constancies strengthened their bond over time.