Undetermined is a related term of inconstant.
As adjectives the difference between undetermined and inconstant
is that undetermined is not determined; not settled; not decided while inconstant is not constant; wavering.
undetermined
English
Adjective
(-)
Not determined; not settled; not decided.
Not limited; not defined; indeterminate.
References
*
*
inconstant
English
Alternative forms
* inconstaunt (obsolete)