More furtively is an adverb that means to do something in a more secretive or stealthy manner. The crossword solutions for this term are SIDLE (5 letters), SNEAK (5 letters), and pussyfoot (9 letters). SIDLE means to move sideways or obliquely in a quiet or unobtrusive way. SNEAK means to move quietly and cautiously, often in order to avoid being noticed. Pussyfoot means to move or act cautiously or hesitantly.