CLOSED

adj. 1 not giving access; shut. 2 (of a shop etc.) having ceased business temporarily. 3 (of a society, system, etc.) self-contained; not communicating with others. 4 (of a sport etc.) restricted to specified competitors etc. closed book see BOOK. closed-circuit (of television) transmitted by wires to a restricted set of receivers. closed-end having a predetermined extent (cf. open-ended). closed season US = close season (see CLOSE(1)). closed shop 1 a place of work etc. where all employees must belong to an agreed trade union. 2 this system. closed syllable a syllable ending in a consonant.