noun

constancy

KAHN-stuhn-see/ˈkɑːnstənsi/

Steadiness maintained over time.

The lighthouse's constancy is apparent through sunshine, rain, and strong winds.

The same weathered lighthouse remains upright in a simple three-part vignette of sun, rain and wind; steady structure unchanged.
Etymology

The image of standing firm became firmness of mind and character. Constancy extends that steadiness to faithful attachment or the quality of remaining unchanged.

In context

BPD Woman7:32
you learn object constancy you learn that people will come in your life and primarily they will stay there even though they have to go to work
Object Constancy & BPD: Why You Worry, Catastrophize, & Find It Difficult To Trust Others (NEW TIPS)

More examples

  • The constancy of the room's temperature protects the artwork.
  • His constancy in friendship earns our trust.
  • Even fierce criticism does not shake the constancy of her beliefs.

Forms

constancy

constant adjective — Remaining steady or unchanged over time.

Similar words

steadiness
Emphasizes stability or freedom from fluctuation, not necessarily loyalty.
consistency
Emphasizes agreement or uniformity across repeated actions or results.
fidelity
Specifically emphasizes loyalty to a person, promise, or belief.