COCKSURE Meaning of COCKSURE in English cocksure BrE AmE ˌkɒk ˈʃɔː ◂ -ˈʃʊə AmE \ ˌkɑːk ˈʃʊ ə r ◂ -ˈʃɝː ▷ cocksure|ly li▷ cocksure|ness nəs nɪs Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012