surreptitiously

[adv] - in a surreptitious manner
Found on http://www.webdictionary.co.uk/definition.php?query=surreptitiously

surreptitiously

sneakily adverb in a surreptitious manner; `he was watching her surreptitiously as she waited in the hotel lobby`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=surreptitiously

surreptitiously

surreptitiously In a surreptitious manner: 'She was watching him surreptitiously as he waited in the hotel lobby.'
Found on http://www.wordinfo.info/words/index/info/view_unit/1830/3
No exact match found