INCON'STANT, adjective [Latin inconstans.] 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.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI