Sneaking

[Sarah]

moving around quietly and sneakily. usually done in the dark by slick ninja-types.
the act of being sneaky and sneaking around like a snake. a very slippery criminal. a smooth-talker talking smooth like a slippery devil. a very bad person. a person with no morals and who lacks the values of a good christian boy. a very bad boy. ive been very bad. sorry mommy!!!
... what was it that i was defining?

[Jessica]

(of a feeling) persistent in ones mind but reluctantly held or not fully recognized.

[Hina Muqadas]

If you have a sneaking feeling about someone or something, you have that feeling, although you are not certain it is correct: