1. Without concealment or deception; honest
   "their business was open and aboveboard"
   - straightforward

1. In an honest manner
   "was known for dealing aboveboard in everything"
   - honestly

See also: square, straight

• Suidae
• Suillus
• Suillus albivelatus
• suint
• Suisse
• suit
• suit of armor
• suit of armour
• suit of clothes
• suitability
• suitable
• suitableness
• suitably
• suitcase
• suite
• suited
• suiting
• suitor
• Sukarno
• sukiyaki
• Sukkoth
• suksdorfia
• Suksdorfia violaceae
• Sukur
• Sula