nonnecessity

noun

non·​ne·​ces·​si·​ty ˌnän-ni-ˈse-sə-tē 

-ˈse-stē

plural nonnecessities

1

: the condition of not being necessary

… the issues being raised go well beyond legalities underlying the necessity or nonnecessity for an environmental impact statement.

—Chemical and Engineering News

2

: something that is not a necessity : something inessential or unnecessary

… I had no intimation that … the government would permit shipment of such nonnecessities.

—Neil G. Carey

Word History

First Known Use

1593, in the meaning defined at sense 1

Rhymes for nonnecessity

• necessity