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

In addition to her difficulty speaking, Giffords was left with severely limited peripheral vision in one eye, and suffered partial paralysis and motor impairment on the right side of her body. — Mark Leibovich, The Atlantic, 20 July 2026

The side walls engage your peripheral vision without hijacking your attention. — Melissa Oyler, Charlotte Observer, 18 July 2026

The work will address communications systems and AI inference at network edges—meaning in peripheral devices far from central servers. — Lucas Laursen, IEEE Spectrum, 2 July 2026

The National Marrow Donor Program had matched him with a woman battling a rare blood disease, calling on him to donate peripheral blood stem cells through a long blood draw. — Rylan Digiacomo-Rapp, The Orlando Sentinel, 27 June 2026