constancy meaning and definition

CONSTANCY noun

Definition of constancy (noun)

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