constancy Meaning, Definition & Usage

  1. noun the quality of being enduring and free from change or variation
    stability.
    • early mariners relied on the constancy of the trade winds
  2. noun (psychology) the tendency for perceived objects to give rise to very similar perceptual experiences in spite of wide variations in the conditions of observation
    perceptual constancy.
  3. noun faithfulness and dependability in personal attachments (especially sexual fidelity)

WordNet

Con"stan*cy noun
Etymology
L. constantia: cf. F. constance. See Constant.
Definitions
  1. The state or quality of being constant or steadfast; freedom from hange; stability; fixedness; immutabilitu; asm the constancy of God in his nature and attributes.
  2. Fixedness or firmness of mind; persevering resolution; especially, firmness of mind under sufferings, steadiness in attashments, or perseverance in enterprise; stability; fidelity.
    A fellow of plain unoined constancy. Shak.
    Constancy and contempt of danger. Prescott.
    Syn. -- Fixedness; stability; firmness; steadiness; permanence; steadfastness; resolution. See Firmness.

Webster 1913