1. honest and open; not trying to deceive anyone

1. in an honest and open manner

Examples

• The company’s business practices are completely aboveboard.
• She wanted to keep all negotiations aboveboard and transparent.
• His aboveboard approach to the deal impressed the investors.
• The politician promised to conduct all meetings aboveboard.
• They handled the transaction aboveboard, with full documentation.
• The charity operates aboveboard and publishes annual financial reports.