restricted

adjective

1. confined; limited.
2. (of information, a document, etc.)
   1. bearing the classification restricted, usually the lowest level of classified information.
   2. limited to persons authorized to use information, documents, etc., so classified.Compare classification(def 5).
3. limited to or admitting only members of a particular group or class: a restricted neighborhood; a restricted hotel.

verb (used with object)

1. to confine or keep within limits, as of space, action, choice, intensity, or quantity.

adjective

1. limited or confined
2. not accessible to the general public or (esp US) out of bounds to military personnel
3. British denoting or in a zone in which a speed limit or waiting restrictions for vehicles apply

verb

1. (often foll by to) to confine or keep within certain often specified limits or selected boundsto restrict one’s drinking to the evening

adj.

“limited,” 1830, past participle adjective from restrict; of documents, etc., “secret, not for public release” it is recorded from 1944. In U.S., restricted was a euphemism for “off-limits to Jews” (1947).

Manager: “I’m sorry, Mr. Marx, but we can’t let you use the pool; this country club is restricted.”
Groucho: “Well, my daughter’s only half-Jewish; could she go in up to her knees?” [there are many versions and variations of this story, dating back to 1970s]

v.

1530s, from Latin restrictus, past participle of restringere (see restriction). Regarded 18c. as a Scottishism. Related: Restricted; restricting.