noun, plural peccadilloes, peccadillos.
1. a very minor or slight sin or offense; a trifling fault.
lapse, slip, faux pas, indiscretion.
Origin: 1585-95; < Spanish pecadillo, diminutive of pecado sin < Latin peccātum transgression, noun use of neuter of past participle of peccāre to err, offend
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