1. Unwisely talking too much
   - bigmouthed, blabbermouthed, talkative

See also: indiscreet

• songful
• songfulness
• Songhai
• songlike
• songster
• songstress
• songwriter
• sonic
• sonic barrier
• sonic boom
• sonic delay line
• sonic depth finder
• sonnet
• sonneteer
• sonny
• sonny boy
• Sonny Liston
• sonobuoy
• sonogram
• sonograph
• sonography
• sonometer
• Sonora
• Sonora gum
• Sonora lac