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Definitions

constancy

[kon-stuhn-see] / ˈkɒn stən si /
NOUN
fixedness
Synonyms
STRONGEST
dependability perseverance steadfastness steadiness trustworthiness truthfulness
STRONG
adherence allegiance ardor attachment certainty decision determination devotedness devotion doggedness eagerness earnestness endurance faith fealty fidelity firmness follow through honesty honor integrity love loyalty permanence principle regularity resolution stability staunchness surety tenacity trustiness unchangeableness uniformity zeal
WEAK
abidingness unfailingness
Antonyms
STRONG
apathy disgrace dishonesty dishonor disinterest dislike disloyalty doubt enmity hate hatred hesitation indecision indefiniteness indifference instability irresolution lying treachery uncertainty unsteadiness vacillation wavering weakness
WEAK
change changeableness fluctuation inconstancy irregularity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But its biggest power lies in its constancy.

From BBC • Jun. 23, 2025

Opera sets ‘Così fan Tutte,’ Mozart’s sophisticated study of love and constancy, in a swanky American country club.

From Los Angeles Times • Apr. 1, 2025

But in fostering constancy for others, Bridget finds herself stuck in her grief.

From Salon • Feb. 13, 2025

The former is addition by subtraction; the latter, addition by constancy.

From Seattle Times • Jun. 3, 2024

What maintained its constancy or fidelity: What kept elephants from morphing into pigs, or kangaroos into beavers?

From "The Gene" by Siddhartha Mukherjee

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.