Synonyms of peripheral

peripheral

adjective

pə-ˈri-f(ə-)rəl 

as in auxiliary

available to supply something extra when needed

the IT consultant suggested that we update the drivers for all of the computer's peripheral devices

Synonyms & Similar Words

• auxiliary
• additional
• accessory
• supplementary
• makeshift
• supplemental
• appurtenant
• accessorial
• complementary
• further
• added
• contributory
• backup
• supportive
• subordinate
• secondary
• assisting
• assistant
• another
• tributary
• excess
• superfluous
• subsidiary
• surplus
• substitute
• nonessential
• dispensable
• helping
• unessential
• adjuvant
• subservient

Antonyms & Near Antonyms

• main
• principal
• chief
• basic
• primary
• fundamental
• prime
• necessary
• essential
• integral
• vital
• imperative
• required
• requisite
• all-important
• indispensable
• needed
• needful

Example Sentences

Recent Examples of peripheral

For the two, relationships with men are merely peripheral to their friendship. — Brianna J. Heath, Footwear News, 29 Sep. 2026

Could this explain why so many of our most reputable creatives are exploring what was once peripheral, spoken of with disbelief, and envisioning it as another possible dimension of existence? — Literary Hub, 28 Sep. 2026

The United Nations has designated 2026 as the International Year of Volunteers for Sustainable Development, reflecting a broader recognition that volunteerism is not peripheral to development. — Deirdre White, Forbes.com, 24 Sep. 2026

Other symptoms may include blurred or dim vision, loss of peripheral vision, or decreased color vision. — Melissa Rudy , Angelica Stabile, FOXNews.com, 22 Sep. 2026