Constant Constant synonyms unremitting constant and unremitting incessant constant and incessant continuous constant and continuous ceaseless constant and ceaseless invariable constant and invariable perpetual constant and perpetual steadfast constant and steadfast steady constant and steady regular constant and regular unvarying constant and unvarying Full list of synonyms (1626) Constant antonyms inconstant constant and inconstant fickle constant and fickle unstable constant and unstable irregular constant and irregular variable constant and variable false constant and false occasional constant and occasional fluctuating constant and fluctuating untrue constant and untrue disloyal constant and disloyal Full list of antonyms (101) Share this picture Share this image Share this picture Share this image