viewer — English Dictionary

Noun

1. Someone who views a spectacle; an onlooker or spectator.

   Examples

   More examples (2)

   This sensation of an object becoming alive is a characteristic that, I believe, seizes all viewers of a van Gogh. The Bible goes beyond being a simple still-life object to become a living thing, an expression of strength, an existence that emanates from itself, beyond the painting surface to participate in our very lives.

   It’s clear why enterprising people make the videos, but what compels so many viewers to watch an amateur video of some stranger they don’t know opening a box? What would compel a viewer to subscribe to the all-coffee channel and binge-watch a guy unpacking coffee makers?

2. Someone who watches television.

3. Any optical device used to view photographic slides.

4. A program that displays the contents of a file.

   Examples

   This image viewer can display pictures in GIF, PNG and JPG format.

5. An appointed inspector or examiner

   Usage

   • Historical

6. An appointed inspector or examiner: The manager of a colliery, who directs its workings and ventilation.

   Usage

   • Historical

Noun

1. a close observer; someone who looks at something (such as an exhibition of some kind)

   Synonyms

   spectatorwitnesswatcherlooker

   Broader terms

   perceiverpercipientobserverbeholder

   Examples

   the spectators applauded the performance

   television viewers

   More examples (1)

   sky watchers discovered a new star

2. an optical device for viewing photographic transparencies

   Broader terms

   optical device