WordWeb Online

1. Used of wines and waters; charged naturally or artificially with carbon dioxide
   "effervescent wines"
   - sparkling
    
2. (of a liquid) giving off bubbles
    
3. Marked by high spirits or excitement
   "his fertile effervescent mind"
   - bubbling, frothy, scintillating, sparkly

See also: aerated, bubbling, bubbly, carbonated, charged, effervesce, effervescence, effervescing, fizzing, fizzy, foaming, foamy, frothy, lively, spumy

Antonym: noneffervescent

Encyclopedia: Effervescent