intj. (colloquial).—An acknowledgment of offence, mistake, or defeat. TO CRY PECCAVI = to confess to wrong-doing or failure. [Latin = ‘I have sinned.’]—GROSE (1785).

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  1578.  WHETSTONE, Promos and Cassandra, 32.

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  1611.  BEAUMONT and FLETCHER, The Knight of the Burning Pestle, iv. 1. Make him sing PECCAVI, ere I leave him.

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