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

Blaze, previously more peripheral to the adventure, became essential. — Davide Abbatescianni, Variety, 16 Oct. 2026

Millions of people globally suffer peripheral nerve injuries every year, often from traffic and workplace accidents. — Dominque Mosbergen, Time, 15 Oct. 2026

Edges versus core Warner said most companies have put AI in peripheral work such as marketing, meeting notes, and transcription. — Nick Lichtenberg, Fortune, 15 Oct. 2026

Up to this point, Grace’s role in the series is largely peripheral. — Louis Peitzman, Vulture, 15 Oct. 2026