- Flippant
- Not vital
- Trivial
- Of little weight or importance; not worth notice;
slight; as, a frivolous argument.
- Given to trifling; marked with unbecoming levity; silly;
interested especially in trifling matters.
- Able to be changed
- Expendable
- Not vital
- Capable or admitting of being put back into a place.
- Admitting of having its place supplied by a like thing
or an equivalent; as, the lost book is replaceable.
- Capable of being replaced (by), or of being exchanged
(for); as, the hydrogen of acids is replaceable by metals or by basic
radicals.
- Not vital
- Not essential; not of prime importance; not
indispensable; unimportant.
- Void of essence, or real being.
- Something not constituting essence, or something which
is not of absolute necessity; as, forms are among the unessentials of
religion.
- Not vital
- Optional
- Redundant
- Spare
- Superfluous
- Unnecessary
- Having no essence or being.
- commonplace and inconsequential
- Frivolous
- Not vital
- Of little matter
- Petty
- Trivial