Webster 1913 Edition
Not constant; not stable or uniform; subject to change of character, appearance, opinion, inclination, or purpose, etc.; not firm; unsteady; fickle; changeable; variable; – said of persons or things;“The inconstant moon.”
inconstantin love or friendship
Syn. – Mutable; fickle; volatile; unsteady; unstable; changeable; variable; wavering; fluctuating.
Webster 1828 Edition
1.Mutable; subject to change of opinion, inclination or purpose; not firm in resolution; unsteady; fickle; used of persons; an inconstant in love or friendship.
2.Mutable; changeable; variable; used of things.