D defs.my
Entry 1 sense Webster, 1913

Aboveboard

/əb-ŭv'-bôrdˌ/ · A·bove·board · IPA /əbˈʌvbˌɔrd/
01 adv. Above the board or table. Hence: in open sight; without trick, concealment, or deception.
  1. 1.
    Above the board or table. Hence: in open sight; without trick, concealment, or deception.