Синоним unobserved

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 QT on the quiet on the sly privily slyly sub rosa under the table underhandedly

secretly under cover

unnoticed ignored overlooked unseen disregarded undetected undiscovered unrecognised unrecognized glossed over hidden inconspicuous neglected passed by pushed aside secret unconsidered unheeded unobtrusive unperceived unremarked unremembered unrespected winked at imaginary imagined invisible lurking dark occult concealed curtained impalpable impenetrable imperceptible not in sight obscure out of sight shrouded unsuspected veiled

discarded disobeyed rejected slighted unnoted