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

Longstaff, who became a peripheral figure during his first Leeds campaign, had a promising showing in the first half. — Beren Cross, New York Times, 26 July 2026

Over her life so far, Catherine became night-blind, then colorblind, and then began to lose her peripheral vision. — Adam England, PEOPLE, 24 July 2026

However, the removal of McAfee doesn’t address the problem of a peripheral installing ad-pushing software onto people’s computers. — ArsTechnica, 23 July 2026

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