a person or thing that views.
a person who watches television, often a devotee of television or of a particular kind of television program: a weekly show aimed at teenage viewers.
any of various optical devices to facilitate viewing, especially one that is small and boxlike with a magnifying lens, and sometimes a light source, in which a photographic transparency may be viewed.
an eyepiece or viewfinder.
an official inspector of property, public works, or the like.

Origin of viewer

late Middle English word dating back to 1375–1425; see origin at view, -er1
Related formsnon·view·er, nounun·der·view·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for viewer

Contemporary Examples of viewer

Historical Examples of viewer

  • As long as there is plenty of flimflam to distract the viewer.

    Toy Shop

    Henry Maxwell Dempsey

  • Tulan's viewer gave a vivid picture of the receding fifth planet.


    Carroll Mather Capps

  • Donna scanned the observation record, then adjusted the viewer.

    This World Must Die!

    Horace Brown Fyfe

  • Had not the viewer prevented him, he would have made the attempt and perished.

    Taking Tales

    W.H.G. Kingston

  • Viewer's dropping the group now, so there's just one more I'd like you to notice.


    James H Schmitz

British Dictionary definitions for viewer



a person who views something, esp television
any optical device by means of which something is viewed, esp one used for viewing photographic transparencies
law a person appointed by a court to inspect and report upon property, etc
Derived Formsviewership, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for viewer

early 15c., "civic official responsible for surveying property," agent noun from view (v.). Meaning "watcher of television" first recorded 1935, in place of earlier suggestion looker-in (1927).

Online Etymology Dictionary, © 2010 Douglas Harper