Definition of chock-a-block adjective from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌtʃɒk ə ˈblɒk//
; NAmE NAmE//ˌtʃɑːk ə ˈblɑːk//
(also chocka
BrE BrE//ˈtʃɒkə//
; NAmE NAmE//ˈtʃɑːkə//
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[not before noun] chock-a-block (with something/somebody) (informal) very full of things or people pressed close together The shelves were chock-a-block with ornaments. It was chock-a-block in town today (= full of people). Word Originmid 19th cent. (originally in nautical use, with reference to tackle having the two blocks run close together): from chock (in chock-full) and block.