(medicine) Any of several medical disorders that are present at birth.

An act or instance of deferring or putting off. / Officially sanctioned postponement of compulsory military service.

Lacking any form of defense; vulnerable; open to attack.

A syndrome formerly thought to affect children only, but now known also to affect adults, that is characterized by frequent, chronic distractibility, and either inattentiveness or hyperactivity (fidgeting).

(uncountable) Any or all of several formats of television system having a higher resolution than traditional ones / (countable) A television set that employs such a system

(ice hockey) The ice between a team's own blue line and its end board.

Associated with or tending to cause deflation.

one who fails to fulfill an obligation or perform a task, especially a legal or financial one.

One who defects.

plural of defensive zone