peripheral - definition in the American English Dictionary - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “peripheral”

See all translations


adjective  us   /pəˈrɪf·ər·əl/
not central or of main importance: First of all, we had to find out who the thief was – getting the money back was a peripheral issue. Peripheral vision is what you can see to the sides of what you are looking at.


noun [C]  us   /pəˈrɪf·ər·əl/
a piece of equipment, such as a printer, that can be connected to a computer
(Definition of peripheral from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of peripheral?
Add Cambridge dictionaries to your browser to your website

More American English definitions for “peripheral”

Definitions of “peripheral” in other dictionaries

Word of the Day

kick off

the time when a game of football starts, or when it begins again after it has stopped because of a goal, etc.

Word of the Day

She’s got very good posture. (How we stand and sit)

by Liz Walter,
May 27, 2015
Recently on this blog, we looked at the words that we use to describe the way we move. This week we’re looking at words for describing our bodies when they are still, whether we are standing or sitting. Since most of us do far too much of this, let’s start with sitting.

Read More 

ancestral health noun

May 25, 2015
diet based on the presumed diet of our Palaeolithic ancestors ‘Ancestral health,’ to use a term popular among Paleo followers, has gone mass.

Read More