conspiratorial

clandestine covert surreptitious

artful calculating cautious circumspect cloaked crafty creepy cunning disguised elusive evasive foxy guileful hidden hush-hush insidious masked scheming shifty skulking slinking sly stealthy sub-rosa tricky under wraps under-the-table undercover underhand underhanded wily

aboveboard honest open

forthright truthful

biased one-sided sectarian sympathetic unjust

accessory blind colored die-hard exclusive fanatic partial

adhering bigoted cliquish denominational devoted jaundiced overzealous prejudiced prepossessed tendentious unreasoning warped zealous

fair unbiased

disinterested

classified covert furtive hush-hush mysterious obscure private secluded undercover underground undisclosed unknown unpublished

backdoor close closet dark deep mystic occult unseen

abstruse ambiguous arcane camouflaged cloak-and-dagger clouded covered cryptic disguised enigmatical esoteric mystical on the Q.T. out-of-the-way recondite reticent retired shrouded strange under wraps unenlightened unfrequented unintelligible veiled

aboveboard apparent honest known obvious open public revealed sociable unconcealed

light visible

clear defined explicit forthright legal legitimate