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

That bandwidth ensures the hub remains useful for fast file transfers and daily peripheral access long after you’re done using it for any disc-burning operations. — New Atlas, 19 Aug. 2026

Vanderbosch recommends picking a patch of sky to focus on until a quick, bright streak passes by — even in your peripheral vision — and to avoid looking at your phone. — Adithi Ramakrishnan, Chicago Tribune, 9 Aug. 2026

Even in the third-person narration of Call of the Wild the dramatis personae of eccentric, infighting dogs overshadows the flat and peripheral human characters until Thornton appears. — Literary Hub, 5 Aug. 2026

Born from a collaboration between OpenAI and Work Louder, a peripheral maker best known for making retrofuturistic mechanical keyboards, the Codex Micro is a curious device. — Brian Westover, PC Magazine, 3 Aug. 2026