above board

above board

adj (aboveboard when prenominal)

adv

in the open; without dishonesty, concealment, or fraud

Thesaurus

above board

adjective

honest, straight, frank, square, genuine, proper, legitimate, straightforward, authentic, open, true, upright, honourable, overt, candid, truthful, forthright, upfront (informal), trustworthy, on the level (informal), bona fide, kosher (informal), dinkum (Austral & N.Z. informal), fair and square, guileless, on the up and up, veracious, honest to goodness His financial dealings were always above board.
honest secret, crooked, sly, secretive, shady, fraudulent, dishonest, deceptive, clandestine, devious, sneaky, furtive, deceitful, underhand

adverb

honestly, frankly, truly, legitimately, legally, uprightly, openly, cleanly, overtly, in good faith, ethically, truthfully, candidly, lawfully, honourably, straightforwardly, forthrightly, by fair means, with clean hands, without guile, veraciously It was clear that they had acted above board.