(games) A game where the players have to hide and one has to seek them out.

(idiomatic) A trace, indication, or evidence, especially of a person.

Extremely or shockingly ugly. / Having a very unpleasant or frightening sound / Hateful; shocking. / Morally offensive; shocking; detestable.

(physics) any parameter that would supplement quantum mechanics so as to make it like classical mechanics; local hidden variables have been proved to be inconsistent with quantum mechanics

a hiding place, somewhere one can go to get away from other people

Capable of being stored out of sight when not in use.

A place to hide. / A hidden headquarters or place to return to.

A member of the Spanish nobility, especially one without a title.

A place where something or someone may be hidden.

plural of hideaway