unobserved

discarded disobeyed ignored neglected overlooked rejected slighted unconsidered unnoted unnoticed

considered contemplated heeded noticed regarded thought-out

overlooked undiscovered unrecognized unseen

disregarded glossed over hidden inconspicuous neglected passed by pushed aside secret unconsidered unheeded unobtrusive unperceived unremarked unremembered unrespected winked at

noted noticed seen

imaginary imagined invisible lurking undetected undiscovered unnoticed

dark occult

concealed curtained impalpable impenetrable imperceptible inconspicuous not in sight obscure out of sight shrouded unobtrusive unperceived unsuspected veiled

seen

open visible

confidentially covertly stealthily surreptitiously

by stealth sub-rosa under cover

openly publicly

clandestinely covertly furtively personally privately quietly stealthily surreptitiously

behind closed doors behind someone's back by stealth confidentially hush-hush in camera in confidence in holes and corners in secret in strict confidence insidiously intimately obscurely on the Q.T. on the quiet on the sly privily slyly sub-rosa under the table underhandedly

publicly

openly