nonessential

adjective

non·​es·​sen·​tial ˌnän-i-ˈsen(t)-shəl 

1

: not essential

2

: being a substance synthesized by the body in sufficient quantity to satisfy dietary needs

nonessential fatty acids

see also nonessential amino acid compare essential sense 2b

nonessential noun

Synonyms

• dispensable
• gratuitous
• inessential
• needless
• uncalled-for
• unessential
• unnecessary
• unwarranted

Examples of nonessential in a Sentence

All nonessential personnel had to be laid off.

Please avoid all nonessential uses of water.

Recent Examples on the Web

Why Has Congo Severed Ties With Rwanda? Keita also stated that U.N. peacekeepers were relocating nonessential staff from the city. —Joel Thayer, Newsweek, 27 Jan. 2025

Orleans and Jefferson parish officials are asking residents to minimize nonessential water usage like washing machines and dishwashers. —Carlie Kollath Wells, Axios, 23 Jan. 2025

Hopefully there will be additional funds for spending on nonessential items such as travel. —Greg Iacurci, CNBC, 9 Jan. 2025

There are 20 main amino acids, nine are essential, some are nonessential, and others are conditionally essential. —Allison Herries, Verywell Health, 4 Jan. 2025

Word History

First Known Use

1751, in the meaning defined at sense 1

Phrases Containing nonessential

• nonessential amino acid

Kids Definition

nonessential

adjective

non·​es·​sen·​tial ˌnän-i-ˈsen-chəl 

: not necessary or essential

nonessential noun

Medical Definition

nonessential

adjective

non·​es·​sen·​tial -i-ˈsen-chəl 

: being a substance synthesized by the body in sufficient quantity for normal health and growth

a nonessential fatty acid

compare essential