1. Not capable of being improved on
   - unexcelled, unsurpassed

See also: best

• eczema marginatum
• eczema vaccinatum
• ED
• Ed Sullivan
• edacious
• edacity
• Edam
• edaphic
• Edaphosauridae
• edaphosaurus
• EdD
• edda
• Eddie Rickenbacker
• Eddington
• eddo
• eddy
• eddy current
• Eddy Merckx
• Edecrin
• edelweiss
• edema
• edematous
• Eden
• Edenic
• non-buoyant