Definition of "peccadillo"

peccadillo

/ˌpɛ.kəˈdɪ.loʊ/

noun
plural peccadillos or peccadilloes
1. A small flaw or sin.
  Quotations
  We tolerate Irene and Phil’s mild racist quirks and planet-destroying peccadilloes (“I could never own any car smaller than my Cutlass Supreme”) because their existence acts as a tranquilizer in an otherwise slightly-out-of-control world.
  1991, Douglas Coupland, “Celebrities Die”, in Generation X, New York: St. Martin's Press, page 112
  The sex scandal issue isn’t really central, since Americans have a long record of voting for the candidates they think can deliver, regardless of private peccadilloes.
  2016 May 19, Gail Collins, “Subtract One Clinton”, in The New York Times‎
2. A petty offense.
  Quotations
  When he comes to the prayer, he sometimes does me the honor of personally recommending me to the Lord, advising him that I am a worthy man and begging him to condone my occasional peccadillos.
  1929, Robert Dean Frisbee, The Book of Puka-Puka, Eland, published 2019, page 106
  No sexual peccadillo is left unremarked upon.
  2019, John O’Connell, chapter 56, in Bowie's Bookshelf