A demo is what you give to show how something works. You might give a demo of your fancy new espresso machine to your weekend guests, so they'll know how to use it.

Demo is short for demonstrate or demonstration. It can be a verb, as when a tech company demos its new tablet or laptop. It's also a noun: "The demo of that software was pretty interesting." In the music industry, a demo is a practice version of a song, meant to show a record label or music venue what a performer's music sounds like. This meaning's been around since the 1960s, while earlier it meant "a political demonstration."

Definitions of demo
  1. noun
    a visual presentation showing how something works
    synonyms: demonstration
    see moresee less
    show 8 types...
    hide 8 types...
    display, show
    something intended to communicate a particular impression
    expression, manifestation, reflection, reflexion
    expression without words
    exemplification, illustration
    showing by example
    lamentation, mourning
    the passionate and demonstrative activity of expressing grief
    big stick
    a display of force or power
    gaudery, pomp
    cheap or pretentious or vain display
    a manifestation of insincerity
    blowup, ebullition, effusion, gush, outburst
    an unrestrained expression of emotion
    type of:
    visual communication
    communication that relies on vision
  2. verb
    give an exhibition of to an interested audience
    “We will demo the new software in Washington”
    synonyms: demonstrate, exhibit, present, show
    see moresee less
    bring home
    make understandable and clear
    select and present content or information
    type of:
    make visible or noticeable
Word Family

Test prep from the experts

Boost your test score with programs developed by’s experts.

  • Proven methods: Learn faster, remember longer with our scientific approach.
  • Personalized plan: We customize your experience to maximize your learning.
  • Strategic studying: Focus on the words that are most crucial for success.


  • Number of words: 500+
  • Duration: 8 weeks or less
  • Time: 1 hour / week


  • Number of words: 500+
  • Duration: 10 weeks or less
  • Time: 1 hour / week


  • Number of words: 700+
  • Duration: 10 weeks
  • Time: 1 hour / week