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

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

Some series plucked peripheral movie characters for unnecessary small-screen addendums adventures. — Ben Travers, IndieWire, 12 Oct. 2026

The genetic disorder causes degeneration of the light sensing cells in the retina, which can degrade peripheral and night vision so much that patients can become legally blind by young adulthood. — O. Rose Broderick, STAT, 8 Oct. 2026