COCKSURE


Meaning of COCKSURE in English

■ adjective presumptuously or arrogantly confident.

Derivatives

~ly adverb

~ness noun

Origin

C16: from archaic cock (a euphemism for God ) + sure ; later assoc. with cock 1 .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.