WordWeb Online

1. Accurately resembling life or closely resembling the thing being represented
   "a vivid description";
   - graphic, lifelike, pictorial
    
2. Having the clarity and freshness of immediate experience
   "a vivid recollection"
    
3. Having strong or striking colour
   "a bird with vivid plumage";
   - bright, brilliant
    
4. (of colour) having the highest saturation
   "vivid green";
   - intense

Derived forms: vivider, vividest

See also: clear, colorful [US], colourful [Brit, Cdn], pure, realistic, saturated

Encyclopedia: Vivid