1. Vigorous and animated
   "a vibrant group that challenged the system"
   - vivacious 
2. Of sounds that are strong and resonating
   "the men's vibrant voices" 
3. Of colours that are bright and striking

See also: colorful [US], colourful [Brit, Cdn], reverberant, spirited, vibrate

• elbow bone
• elbow grease
• elbow joint
• elbow pad
• elbow room
• elbowing
• eld
• elder
• elder hand
• elder statesman
• elderberry
• elderberry bush
• elderly
• eldership
• eldest
• eldest hand
• eldorado
• eldritch
• Eleanor Gwyn
• Eleanor Gwynn
• Eleanor Gwynne
• Eleanor of Aquitaine
• Eleanor Roosevelt
• elecampane
• elect