peccadillo
/ˌpɛkəˈdɪləʊ
/noun (plural peccadilloes or peccadillos)
A relatively minor fault or sin: the sexual peccadilloes of celebrities aren’t necessarily news...
- A series of minor government ministers was involved in a variety of sexual peccadilloes and had to resign.
- A serious lie is told to cover a minor peccadillo.
- Their sexual peccadillos, family differences and even flaws of personal character were commonly regarded as their own business, not the public's.
Synonyms
misdemeanour, minor offence, petty offence, delinquency;
indiscretion, lapse, misdeed, infraction, error, slip
informal slip-up
Origin
Late 16th century: from Spanish pecadillo, diminutive of pecado 'sin', from Latin peccare 'to sin'.