peccadillo
Small moral lapse
A peccadillo is a minor fault or small sin—something slightly wrong but not seriously harmful.
The word carries a tone of dismissiveness or forgiveness, suggesting the offense is trivial: youthful peccadilloes, His peccadilloes were overlooked because of his talent.
Often used to minimize what might otherwise be called misconduct.
Unconventional behavior or nature
- idiosyncrasyDistinctive personal peculiarity
- peculiarityUnusual distinguishing characteristic
- odditySomething unusual or unexpected
- foibleMinor personal flaw
whimsy · kink · habit · mannerism · vice · weakness · indulgence · predilection
Romantic entanglement outside commitment
- flingForceful toss, or tryst
- dallianceBrief, casual romance
- infidelityDisloyalty to a partner
- escapadeReckless, exciting adventure
impropriety · transgression · misbehavior · scandal · liaison · tryst · flirtation · cheating
Insignificant matter or thing
- bagatelleTrivial matter or thing
- trivialityUnimportant small matter
- nothingNot any thing
- minutiaInsignificant precise detail
eccentricity
Unconventional behavior or nature
- idiosyncrasyDistinctive personal peculiarity
- peculiarityUnusual distinguishing characteristic
- odditySomething unusual or unexpected
foible · whimsy · kink · habit · mannerism · vice · weakness · indulgence · predilection · penchant
affair
Romantic entanglement outside commitment
- flingForceful toss, or tryst
- dallianceBrief, casual romance
- infidelityDisloyalty to a partner
escapade · impropriety · transgression · misbehavior · scandal · liaison · tryst · flirtation · cheating · indulgence
trifle
Insignificant matter or thing
- bagatelleTrivial matter or thing
- trivialityUnimportant small matter
- nothingNot any thing
minutia · fleabite · technicality · non-issue · picayune
- triviatrivia, facts, quiz, anecdotes, trivia night
- affairsaffairs, affair, foreign affairs, current affairs, world affairs
peccadillocrime
Punishable illegal act
felony · mortal sin · atrocity · cardinal sin · capital offense