sneakiness
nounUK /ˈsniːkinəs/
US /ˈsnikinəs/
The quality of being sneaky, like doing things in a quiet, secret way so no one notices.
The sneakiness of the cat let it steal a treat without anyone seeing.
OTHER MEANINGS
2. The act of moving or behaving in a quiet, secret way to avoid being noticed.
His sneakiness helped him slip past the sleeping dog.
3. A clever but slightly dishonest way of getting what you want.
She used sneakiness to find out what her surprise present was.
4. The habit of hiding your true plans or feelings from others.
The sneakiness in his smile made me wonder what he was planning.