Unnecessary vs. Superfluous

Unnecessaryadjective

Not needed or necessary.

Unnecessaryadjective

Done in addition to requirements; unrequired.

Unnecessaryadjective

Not necessary; not required under the circumstances; unless; needless; as, unnecessary labor, care, or rigor.

Unnecessaryadjective

not necessary

Unnecessaryadjective

not needed

Unnecessaryadjective

more than is needed; excessive

Unnecessarynoun

unnecessary things

Superfluousadjective

In excess of what is required or sufficient.

Superfluousadjective

More than is wanted or is sufficient; rendered unnecessary by superabundance; unnecessary; useless; excessive; as, a superfluous price.

Superfluousadjective

serving no useful purpose; having no excuse for being;

Superfluousadjective

more than is needed, desired, or required;

Superfluousadjective

unnecessary, especially through being more than enough