Creepiness is the state of being creepy, or causing an unpleasant feeling of fear or unease to someone and/or something.[1] A person who exhibits pervert behaviour is entitled 'a creep'.. Certain traits or hobbies may make people seem creepy to others. The internet has been described as increasingly creepy.[2] Adam Kotsko has compared the modern conception of creepiness to the Freudian concept of unheimlich. The term has also been used to describe paranormal or supernatural phenomena.