Attempting to avoid notice or attention, typically because of guilt or a belief that discovery would lead to trouble; secretive.; Suggestive of guilty nervousness.
‘they spent a furtive day together’
‘he stole a furtive glance at her’
‘Usually this would prompt me to snort: how about the homosexual church officials who preach this stuff in public while leading furtive double lives?’
‘We may as well have been poker players, there were so many furtive glances.’
‘There is something in a furtive glance of eyes on the subway, or from the passing crowd that does not tend to permanence.’
‘I took a furtive look around, digested the unfamiliar surroundings, and backtracked.’
незаметный, скрытый, тайный, вороватый, хитрый, сделанный украдкой, крадущийся