Informal, sometimes derogatory: a person who behaves in a predatory, obsessive, or socially awkward manner that makes others feel uneasy; by extension, something or someone that moves stealthily or slowly.

She blocked his number because he was acting like a total creeper.

A low, wheeled platform on which a person lies while working under a vehicle.

The mechanic slid under the car on a creeper to check the engine.

A type of shoe with a thick, crepe sole, often associated with certain subcultures.

He wore a pair of black creepers that matched his punk rock outfit.

A one-piece garment for infants that snaps at the crotch; a baby bodysuit.

The newborn was dressed in a soft cotton creeper to keep him warm.

In the video game Minecraft, a hostile mob that silently approaches the player and explodes.

I heard a hiss behind me and realised a creeper was about to blow up my house.

creeperadjective

Attributive: relating to or characteristic of a creeper, especially a creeping plant or the subculture footwear.

The wall was covered in thick creeper vines.