constancy

1 the state of continuing without change the mistaken notion that there is constancy in language—words do indeed change their meanings over time Synonyms changelessness, fixedness, immutability, immutableness, invariability, stability, steadiness, unchangeableness Related Words consistency, regularity, sameness, uniformity; durability, enduringness, lastingness, permanence Near Antonyms aperiodicity, inconsistence, inconsistency, irregularity, unevenness; caducity, evanescence, impermanence Antonyms capriciousness, changeability, changeableness, fickleness, instability, mutability, unpredictability, unsteadiness, variability, variableness, volatileness, volatility

2 adherence to something to which one is bound by a pledge or duty soldiers serving with constancy and devotion to country Synonyms adhesion, allegiance, attachment, commitment, fidelity, dedication, devotedness, devotion, faith, faithfulness, fastness, fealty, loyalty, piety, steadfastness, trothRelated Words affection, fondness; determination, firmness, resolution; dependability, reliability, trustability, trustiness, trustworthinessNear Antonyms alienation, disaffection, estrangement, separationAntonyms disloyalty, faithlessness, falseness, falsity, inconstancy, infidelity, perfidiousness, perfidy, treachery, unfaithfulness

3 the strength of mind that enables a person to endure pain or hardship it takes determination and constancy to get through law school Synonyms backbone, fortitude, fiber, grit, grittiness, guts, intestinal fortitude, pluck, spunkRelated Words determination, purposefulness, resoluteness, resolution; bravery, courage, courageousness, daring, dauntlessness, doughtiness, fearlessness, gallantry, greatheartedness, intrepidity, intrepidness, nerve, stoutness, valor; endurance, forbearance, stamina, sufferance, tolerance; heart, mettle, spirit; audacity, boldness, brass, cheek, chutzpah (also chutzpa or hutzpah or hutzpa), effrontery, gall, hardihood, nerve, nerviness, temerityNear Antonyms indecisiveness, irresoluteness, irresolution, vacillation; cowardice, cowardliness, cravenness, dastardliness, faintheartedness, pusillanimity, timidity, timorousnessAntonyms spinelessness