This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Not necessary; needless.

adj. Not needed or necessary.

adj. Done in addition to requirements; unrequired.

adj. Not necessary; not required under the circumstances; unless; needless.

Not necessary; needless; not required by the circumstances of the case; useless: as, unnecessary labor or care; unnecessary rigor.

n. pl. unnecessaries (-riz). That which is unnecessary or dispensable.

adj. not necessary

"Please refrain from using the term unnecessary booze."

uncalled-for    needless    extra    redundant    spare    supernumerary    excess    superfluous    gratuitous    inessential   

necessary   

unless    needless    inessential    superfluous    dispensable    supererogatory    spare    unneedful    supervacaneous   

necessary   

needless    useless    unexpected    considerable    excessive    futile    trivial    superfluous    unjust