The state or quality of being closed-minded.

Not open to participation by non-members or the public.

(linguistics) A syllable that ends in a consonant.

(computing) A testing arrangement in which a beta test version of software is distributed to a small group of testers.

(idiomatic) Affecting people close to, or within, one's family circle. / (figuratively) Affecting one personally through deep familiarity.

plural of closed syllable

(education) Referring to an examination in which external resources such as glossaries, study notes, and calculators are prohibited.

plural of closed compound

(military) To close the spacing between lines (ranks) of troops, as they are deployed across a battlefield, thereby decreasing the depth of the formation as it faces the enemy side.

Used other than figuratively or idiomatically: see closing, time. / (UK, Canada) The time when a public house or restaurant closes. Used to invite final drink orders.