Un`es*sen"tial (?), a.
1.
Not essential; not of prime importance; not indispensable; unimportant.
Addison.
2.
Void of essence, or real being.
[R.]
Milton.
© Webster 1913.
Un`es*sen"tial, n.
Something not constituting essence, or something which is not of absolute necessity; as, forms are among the unessentials of religion.
© Webster 1913.