прилагательное непостоянный, переменчивый; ненадёжный, неустойчивый, переменный Синоним(ы): inconstant
adjective Etymology: Middle English fikel deceitful, inconstant, from Old English ficol deceitful; akin to Old English befician to deceive, and probably to Old English fāh hostile — more at foe marked by lack of steadfastness, constancy, or stability; given to erratic changeableness Synonyms: see inconstant • fickleness noun • fickly adverb