(idiomatic, informal) Closely connected, as in an intimate friendship.

Alternative form of hidebound

(racing) a type of motorcycle crash where the motorcycle tire loses, then rapidly regains traction, thus throwing the rider violently up, over, and off the motorcycle as the motorcycle spins off on its own trajectory.

(cognitive theory) a supposed mode of cognition beyond human self-awareness / (Hegelianism) the notion of historical progress in the evolution of the human mind

The period of European history, between the Early Middle Ages and the Late Middle Ages, that saw great social and political change.

Remaining hidden (typically of a person).

(law) In United States patent law, the circumstance under which a person who has filed a patent application, and then made amendments to the application to accommodate the patent law and secure issuance of the patent, is prevented from bringing a cause of action for infringement of the patent where the allegedly infringing acts falling within the matter disclaimed by the amendment.

(intransitive) To hide somewhere.

(transitive) To stash or store something in a secret location. / (intransitive) To hide, to be hidden.

plural of high explosive