Synonyms of constancy in English:

constancy


See definition of constancy

noun

1‘a familiar meditation on the theme of constancy and inconstancy between lovers’

SYNONYMS
fidelity, faithfulness, loyalty, trueness, commitment, dedication, devotion
dependability, reliability, trustworthiness
ANTONYMS

fickleness

2‘there was no doubt about the determination and constancy of Henry VIII’

SYNONYMS
steadfastness, resolution, resoluteness, resolve, firmness, fixedness, steadiness
determination, perseverance, tenacity, doggedness, staunchness, dedication, commitment, application, staying power, obstinacy
ANTONYMS

indecision

3‘this anecdote reminds us of a certain constancy of human motive’

SYNONYMS
consistency, permanence, persistence
durability, endurance
uniformity, invariableness, unchangingness, immutability, regularity, evenness, stability, steadiness, lack of change, lack of deviation
ANTONYMS

unpredictableness