sneaking
adjectiveUK /ˈsniːkɪŋ/
US /ˈsniːkɪŋ/
Doing something in a quiet, secret way so nobody sees or hears you.
He had a sneaking feeling that someone was following him.
OTHER MEANINGS
2. Moving quietly and secretly, like a cat.
The sneaking fox crept toward the chickens.
3. A feeling you have but do not say out loud.
She had a sneaking suspicion the cake was already gone.
4. Doing something in a way that is not honest or fair.
He took a sneaking peek at the answers.