1. Sullen or unfriendly in appearance
   - scowling

See also: unfriendly

• log off
• log on
• log out
• log up
• log Z's
• logagraphia
• Logan
• loganberry
• Logania
• Loganiaceae
• logaoedic
• logarithm
• logarithmic
• logarithmic scale
• logarithmically
• logbook
• loge
• logger
• loggerhead
• loggerhead shrike
• loggerhead turtle
• loggerheaded
• loggia
• logginess
• logging