1. Deeply or completely
   "slept soundly through the storm"; "the baby is sleeping soundly" 
2. Completely and absolutely ('good' is sometimes used informally for 'thoroughly')
   "he was soundly defeated"
   - thoroughly, good

See also: sound

• loganberry
• Logania
• Loganiaceae
• logaoedic
• logarithm
• logarithmic
• logarithmic scale
• logarithmically
• logbook
• loge
• logger
• loggerhead
• loggerhead shrike
• loggerhead turtle
• loggerheaded
• loggia
• logginess
• logging
• logic
• logic bomb
• logic diagram
• logic element
• logic gate
• logic operation
• logic programing