unnecessary (v.)
unnecessary (adj.)
- dispensable
- disposable
- excess
- expendable
- gratuitous
- inessential
- needless
- nonessential
- pleonastic
- prolix
- redundant
- spare
- supererogatory
- superfluous
- surplus
- tautologic
- uncalled-for
- unessential
- unneeded
- unwanted
- verbose