n. 25B6; noun
he was prone to indiscretion : IMPRUDENCE, injudiciousness, incaution, irresponsibility; carelessness, rashness, recklessness, precipitateness, impulsiveness, foolhardiness, foolishness, folly; tactlessness, insensitivity.
his past indiscretions : BLUNDER, lapse, gaffe, mistake, faux pas, error, slip, miscalculation, impropriety; misdemeanour, transgression, peccadillo, misdeed; informal slip-up.